Pagina 17 - I migliori medici di Risonanza magnetica di un'area - TOP-562medici

Education and Expertise

• DOKUZ EYLÜL UNIVERSITY FACULTY OF MEDICINE

Diseases

• Abdominal Radiology
• Advanced MRI Applications
• Breast Radiology

Experience

Private Medical Park Izmir Hospital (2016 - Ongoing)

Şifa University Bornova Health Application and Research Center (2012 - 2016)

Tütav Basmane Şifa Hospital (2008 - 2012)

Tütav Basmane Şifa Hospital (1995 - 2008)

Professional Memberships

• TURKISH RADIOLOGY ASSOCIATION

Interest Areas

Balloon Angioplasty (Opening of Vascular Narrowing with Balloon)

Basic Methods

Brain Angiography

General Radiology 4D Pregnancy Ultrasound Heart Angiography (Wrist)

General information

Musculoskeletal radiologist, expert in sports injuries and magnetic resonance imaging with over 20 years of experience working with professional and elite athletes.

Professional experience

• Founder : Elite Sports Imaging, SL, Madrid, Spain.
• Medical consultant : Madrid Open (tennis tournament).
• Consultant : Longwood MRI Specialists, Boston, USA.
• Director of Musculoskeletal MRI and CT : Massachusetts General Hospital/Harvard Medical School (2002–2006).

Education and qualifications

• University of California, Los Angeles (UCLA) : Bachelor of Science in Kinesiology and Exercise Science (BS).
• McGill University School of Medicine : Doctor of Medicine and Master of Surgery (MD, CM).
• Boston University/Boston Medical Center : Radiology Residency.
• Harvard Medical School/Massachusetts General Hospital : Fellowship in Musculoskeletal Radiology and Interventional Radiology.
• Massachusetts Institute of Technology (MIT)/m+Visión : Postdoctoral Fellowship in Biomedical Research in Medical Imaging.

Peculiarities of professional activity

The doctor specializes in:

• Diagnosis and treatment of sports injuries using MRI and CT.
• Implementation of advanced technologies in the field of visualization of the musculoskeletal system.
• A personalized approach to diagnosing injuries in elite athletes.

The doctor has exceptional experience working at leading global institutions such as Harvard Medical School and MIT, which allows him to combine clinical practice, scientific research and the application of innovative methods in medical imaging.

Dr. Shady Mohammed El‑sebai is an interventional radiologist and diagnostic imaging consultant. He is the Consultant and Chief of Interventional Radiology at Sheaf El Orman Oncology Hospital (2021–present). He is also Chief of the Interventional Radiology Unit at the National Cancer Institute, Cairo University (2022–present). He has been a Lecturer in interventional radiology at the National Cancer Institute since 2018. Earlier posts include assistant lecturer and specialist, radiology resident, specialist at Khartoum Breast Care Centre, and specialist and consultant at Techno Scan.

Expertise includes CT‑ and US‑guided true‑cut biopsies and FNAC; transarterial chemoembolization for HCC and for liver, renal, and soft‑tissue tumors; percutaneous nephrostomy and ureteric stents; pigtail drainage; and RF or microwave ablation of hepatic, bone, lung, and thyroid lesions. He also performs PTD and biliary stents; uterine artery embolization; coiling for pelvic varicosities and varicocele; varicose vein ablation and sclerotherapy; and breast procedures (biopsy, markers, wire localization, Mammotome). He is skilled in US, CT, and MRI.

Assoc. Prof. Dr. Burak Eren
Specialist in Brain and Nerve Surgery

Neurosurgery Areas of Interest
    •    Brain Tumors
    •    Pituitary Tumors (Endoscopic)
    •    Brain Aneurysms
    •    Skull Base Tumors
    •    Spinal and Spinal Cord Tumors
    •    Lumbar Disc Herniation
    •    Cervical Disc Herniation
    •    Spondylolisthesis
    •    Spinal Canal Stenosis
    •    Traumatic Brain and Spinal Injuries

Personal Information
    •    Date of Birth: 03/11/1979
    •    Marital Status: Married, Father of 2 children
    •    Languages: English
    •    Title: Associate Professor – 10/03/2021

Education
    •    Bachelor’s Degree: Eskişehir Osmangazi University Faculty of Medicine, 1997-2003
    •    Specialty Training: Bezmi Alem Valide Sultan Education and Research Hospital, Neurosurgery Clinic / Istanbul, 2004-2010

Professional Experience
    •    Köyceğiz SSK Dispensary / Muğla (2003-2004)
    •    Bezmi Alem Valide Sultan Education and Research Hospital / Istanbul (2004-2010)
    •    Bakırköy Dr. Sadi Konuk Education and Research Hospital / Istanbul (2010-2012)
    •    Bilecik State Hospital / Bilecik (2012-2013)
    •    Special Nisa Hospital / Istanbul (2013-2014)
    •    Bağcılar Education and Research Hospital / Istanbul (2014-2024)

Articles Published in International Peer-Reviewed Journals:
    1.    Sağlam-Çifci Ece, Güleç İlker, Şengelen Aslıhan, Karagöz-Güzey Feyza, EREN BURAK, Paşaoğlu H Esra, Önay-Uçar Evren. The H4R antagonist, JNJ-7777120 treatments ameliorate mild traumatic brain injury by reducing oxidative damage, inflammatory and apoptotic responses through blockage of the ERK1/2/NF-κB pathway in a rat model (2025). Experimental Neurology. 115133. DOI: 10.1016/j.expneurol.2024.115133.
    2.    EREN BURAK, Karagoz Guzey Feyza, Gulec Ilker, Tufan Azmi, Bas Nuri Serdar. The Importance of Spinopelvic Parameters in Recurrent Lumbar Disk Herniation. Clinical Spine Surgery, 37(3), E113-E118. (2024). DOI: 10.1097/BSD.0000000000001546.
    3.    Aycan Abdurrahman, EREN BURAK, Tas Abdurrahim. Treatment and outcomes of patients with metastatic spinal cord compression: a double-center study. European Review for Medical and Pharmacological Sciences, 27(13), 6121-6131. (2023). DOI: 10.26355/eurrev_202307_32968.
    4.    Yücel Murat, Aktaş Özgür Yusuf, Zengi Oğuzhan, Taş Abdurrahim, Tufan Azmi, EREN BURAK, Karagöz Güzey Feyza. The effect of alpha-lipoic acid on nerve tissue healing after sciatic nerve crush injury in rats. Annals of Medical Research, 30(6), 684-691. (2023). DOI: 10.5455/annalsmedres.2023.09.246.
    5.    Tufan Azmi, Aktaş Özgür, EREN BURAK, Doruk Ebru, Gulec Ilker, Taş Abdurrahim, Karagoz Guzey Feyza. Effects of Age and Co-Morbidities on Complication Rate in Surgical Treatment of Lumbar Degenerative Diseases: A Prospective Clinical Study. Eastern Journal of Medicine, 28(4). (2023). DOI: 10.5505/ejm.2023.89646.

Papers Presented at International Scientific Conferences:
    1.    EREN BURAK. Comparison of Patients Who Voluntarily Applied to the Neurosurgery Outpatient Clinic Due to Spinal Diseases and Patients Referred by Family Physicians. 19th International Eastern Mediterranean Family Medicine Congress, 1266-1267. (2020). (Abstract/Oral Presentation) (Publication No: 6514176).
    2.    EREN BURAK. Relationship Between Spinopelvic Parameters and Recurrent Lumbar Disc Herniation. World Spinal Column Society Virtual World Spine. (2020). (Abstract/Oral Presentation) (Publication No: 6514209).
    3.    Tas Abdurrahim, Karagoz Guzey Feyza, Tufan Azmi, Kuvat Nuray, Aktaş Özgür Yusuf, EREN BURAK, Yücel Murat, Kahraman Akkalp Asli. Prophylactic Effects of Silver Nanoparticles in a Rat Model of Spinal Stabilization and Infection. World Federation of Neurosurgical Societies XVI. World Congress, 33-34. (2017). (Abstract/Oral Presentation) (Publication No: 6513245).

Chapters in Scientific Books:
    1.    Klinik Nöroanatomi (Clinical Neuroanatomy), Chapter Title: (Lesions of the Hypophysis and Hypothalamus, Their Pathophysiology, and Surgical Anatomy) (2023). EREN BURAK, Tufan Azmi. Güneş Tıp Kitabevleri. Editors: Karagöz Güzey Feyza, Balcıoğlu Hüseyin Avni. 1st Edition. Page Count: 613. ISBN: 978-975-277-971-6. (Scientific Book in Turkish).
    2.    Nöroşirürjinin Temelleri (Fundamentals of Neurosurgery), Chapter Title: (Diagnosis, Classification, and Treatment of Thoracolumbar and Sacral Trauma) (2020). EREN BURAK, Karagöz Guzey Feyza. US Akademi. Editors: Naderi Sait, Karagöz Güzey Feyza, Tuğcu Bekir. 1st Edition. Page Count: 610. ISBN: 978-605-9358-. (Scientific Book in Turkish).

Articles Published in National Peer-Reviewed Journals:
    1.    EREN BURAK, Karagöz Güzey Feyza, Güleç İlker, Baş N. Serdar, Ay Ferhat, Acaroğlu Muhammed A., Çuhacıbaşı Enes B. Neurosurgery Career Preferences Compared to Other Medical Specialties among Turkish Students. Tıp Eğitimi Dünyası, 22(68), 143-153.
    2.    EREN BURAK, Gulec Ilker, Karagoz Guzey Feyza, Saglam Ece, Tufan Azmi, Karacan Murat, Bas Nuri Serdar. Evaluation of Multiple Myeloma Patients Undergoing Decompression Due to Spinal Cord Pressure. Osmangazi Journal of Medicine, 42(5), 546-552. (2020). DOI: 10.20515/otd.571004.

Technical Notes, Case Reports, Research Notes, etc.:
    1.    Case Report: EREN BURAK, Karagoz Guzey Feyza, Gulec Ilker. Craniopharyngioma and Arteriovenous Malformation Operated Using the Same Craniotomy: An Unusual Case. Romanian Neurosurgery, 34(3), 437-440. (2020). DOI: 10.33962/roneuro-2020-070.
    2.    Case Report: Tufan Azmi, EREN BURAK, Tas Abdurrahim, Berker Neslihan, Aktaş Özgür Yusuf, Gulec Ilker, Vatansever Mustafa Safi, Karacan Murat, Vahabova Günay, Karagoz Guzey Feyza. Spinal Metastasis as a Presenting Feature of Follicular Type Thyroid Carcinoma: A Case Report and Review of the Literature. Bagcilar Medical Bulletin, 4(1), 1-9. (2019). DOI: 10.4274/BMB.galenos.2019.26888.

Prof. Dr. Ozan Beytemur is an experienced orthopedic surgeon with over 20 years in the field. He is a Professor at Health Sciences University, Istanbul Bağcılar Health Practice and Research Center. He is known for his research in bone healing, osteoporosis prediction, and orthopedic biomechanics. He has published many articles in leading international journals.

Dr. Beytemur has served as Chief Physician and has led improvements in orthopedic care and education. He holds the TOTBİD-TOTEK Board Certification. He has also completed international courses, including the AO Pediatric Trauma Course. He specializes in complex surgeries, such as bone tumor treatment and advanced fracture management. He is active in Turkish orthopedic associations and has supervised important theses, helping to advance orthopedic science and education.

Education & Expertise

1994 | Hacettepe University Faculty of Medicine

2002 | Marmara University Faculty of Medicine – PhD in Orthopedics and Traumatology

Professional Experience

1997 to 2002 | Marmara University, Orthopedics and Traumatology Department – Research Assistant

2002 to 2005 | Marmara University, Orthopedics and Traumatology – Specialist Doctor

2005 to 2010 | Marmara University, Orthopedics and Traumatology Department – Assistant Professor

2010 to 2016 | Marmara University, Orthopedics and Traumatology – Associate Professor

2016 to 2018 | Marmara University, Orthopedics and Traumatology – Professor

Foreign Experience

2001 to 2002 | Children’s Hospital of Philadelphia – Research Clinical Fellow in Orthopedics and Traumatology

July to August 2012 | The Royal Orthopaedic Hospital – Clinical Visitor in Orthopedic Oncology

Professional Memberships

-Turkish Orthopaedics and Traumatology Association

-Turkish Orthopaedics and Traumatology Association – Pediatric Orthopaedics -Branch

-Turkish Orthopaedics and Traumatology Association – Orthopaedic Oncology Branch

-European Pediatric Orthopaedics Society

Awards & Recognitions

2001 | Akif Şakir Şakar Scientific Award – Second Prize in Experimental Study

2004 | IX. Akif Şakir Şakar Scientific Awards – Second Prize in Experimental Study

2007 | XII. Akif Şakir Şakar Science Awards – Second Place in Clinical Study Category

2007 | Derviş Manizade Awards – Second Place

2014 | XXIV. National Turkish Orthopedics and Traumatology Congress – First Prize in Orthopedic Oncology Oral Presentation

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

Dr. Cagdas Erdogan is a gastroenterologist at Ankara Etlik City Hospital. He trained in Internal Medicine and Gastroenterology. He earned his MD from Dokuz Eylul University. He completed his Internal Medicine residency from 2014 to 2019. He then completed a Gastroenterology fellowship at Ankara City Hospital from 2019 to 2022. His clinical focus includes advanced endoscopy (ERCP, EUS, EMR, ESD, POEM, EGD, colonoscopy, double-balloon enteroscopy), inflammatory bowel disease, and hepatology.

He has about 40 publications. His work appears in The Turkish Journal of Gastroenterology, Scientific Reports, Endoscopy, and Digestive Diseases and Sciences. Notable studies address vedolizumab in IBD and prophylaxis for post-ERCP pancreatitis. He also reported a 13-year Crohn’s cohort comparing infliximab and adalimumab. Additional work covers outcomes with an adalimumab biosimilar and innovative endoscopic therapies (MCA via double-balloon enteroscopy, holmium laser for Bouveret syndrome, POEM for Zenker’s diverticulum, and ESD for esophageal papillomatosis).

Dr. Tara Rak-areekul is a neurologist focused on cognitive neurology. She is a fellow at King Chulalongkorn Memorial Hospital. She completed her neurology residency there and served as Chief of Academic in 2023. She holds an MD from Chulalongkorn University (Second Class Honors) and a Higher Graduate Diploma in Clinical Sciences. She is certified in NIHSS (2022) and the Thai Stroke Society Acute Stroke Treatment Course.

Key achievements include first rank in the National Formative Neurological Exam (2023). She won the Epilepsy Quiz Tournament (2023). She was first runner-up at the Neurology Tournaments at NST Midyear 2023 and the Chula Neuroscience Forum 2022. Her research includes AAIC poster presentations (2024, 2025). Ongoing work covers Alzheimer’s biomarkers (MDS‑OAβ and p‑tau217), the Thai clinical adaptation of HippoCamera, and a chapter on behavioral and psychological symptoms of dementia (BPSD).

Il medico è un oncocirurgo altamente esperto, con un focus su tecniche chirurgiche avanzate per il trattamento del cancro. Con un'ampia esperienza nel campo, il medico ha contribuito in modo significativo allo sviluppo di protocolli chirurgici innovativi mirati a migliorare i risultati dei pazienti. Il medico è riconosciuto per la sua dedizione all'eccellenza clinica e ha pubblicato numerosi articoli di ricerca su riviste mediche prestigiose. Come professore, il medico è attivamente coinvolto nell'educazione della prossima generazione di chirurghi, sottolineando l'importanza della precisione e della cura centrata sul paziente in oncologia chirurgica.<\/p>

2017: Oticon Medical Scientific Center Copenhagen Denmark.
2016: ICLO Teaching Center New Endoscopic Approaches to Lateral Skull Base, Inner Ear and Cerebello-Pontine Angle, Verona Italy
2016: World Hearing Center, Institute of Physiology and Pathology of Hearing, Warsaw,Poland
2015: Cochlear Science and Research Center Berlin Germany.
2014: Cochlear implant Center Medel Company Innsburck, Austria.
2014: Hannover Medical School. Clinic for Laryngology, Rhinology and Otology, Hannover, Germany
2014: Academy of Hearing Aid Acoustics (Akademie für Hörgerate-Akustik), Lübeck, Germany.
2013: International European Sialendoscopy Training Center, Geneva, Switzerland.
2012: University clinic of ORL, Head and Neck Surgery, klinikum der Universitat, Munchen, Germany.
2012: University clinic of ORL, Head and Neck Surgery, Bern, Switzerland.
2011: University clinic of ORL, Head and Neck Surgery, klinikum der Universitat, Munchen, Germany.
2007: The Ohio State University, Medical Faculty, Department of Otolaryngology, Division of Otology and Neurotology. Columbus, Ohio, USA.
2006: University of Würzburg, Department of Otolaryngology, Division of Otology and Neurotology. Würzburg, Germany.
1999-2003 İnönü Üniversitesi Tıp Fakültesi Kulak Burun Boğaz Anabilim Dalı
1993-1999 İstanbul Üniversitesi Cerrahpaşa Tıp Fakültesi

Turkish Otorhinolaryngology and Head and Neck Surgery Association

Turkish Otorhinolaryngology and Head and Neck Surgery Foundation

Turkish Rhinology Society

Tigris-Euphrates Basin Otorhinolaryngology and Head and Neck Surgery Association

Gaziantep Otorhinolaryngology Association

Turkish Otorhinolaryngology and Head and Neck Surgery Qualification Board

Turkish Otology Association

Malatya Otorhinolaryngology Association

American Academy of Otolaryngology Head and Neck Surgery

Mediterranean Society of Otology and Audiology

International Vertigo Association

Experience

Liman Hospital Radiology Clinic

Academy Medical Center

Anaclinic Medical Center

Kayseri State Hospital

Kayseri Erciyes University Radiology Clinic

Samsun Private Midiliv Medical Center

Samsun Büyük Anadolu Hospital (2023)

Prof. Dr. Şevki Erdem is an Orthopedics and Traumatology specialist with expertise in spine surgery, deformity correction, and complex spinal disorders. He earned his medical degree from Atatürk University in Erzurum. He completed specialty training in Orthopedics and Traumatology at Erciyes University. Over several decades in leading Turkish hospitals, he has treated thousands of patients with spinal conditions. He has also trained future spine surgeons. In 2013, the Turkish Ministry of Health named him Doctor of the Year.

He currently practices at Central Hospital in Istanbul. He provides advanced, patient-centered orthopedic care for scoliosis, kyphosis, spondylolisthesis, spinal stenosis, fractures, tumors, infections, and spinal deformities. He also performs joint replacement.

Dr. Josef Grohs is an experienced orthopedist who specializes in spine surgery. He has over 30 years of clinical practice. He received his medical degree from the University of Vienna in 1986. He also completed advanced training in clinical examination, manual medicine, and clinical monitoring. Dr. Grohs holds a habilitation in orthopedics and has been a certified orthopedic surgeon since 1998.

He is the Chair of AO-Spine Austria and serves on the Advisory Board of the Austrian Spine Society. He was President of the society from 2009 to 2011. Dr. Grohs has performed surgeries in several countries. He is a core reviewer for the Spine Society of Europe and has published many articles in his field. His leadership and knowledge have improved orthopedic and spine care in Austria and internationally.

Professor Raanan Berger, MD PhD, is a medical oncologist and radiotherapist. He is Director of the Cancer Center at Sheba Medical Center and heads its clinical research unit. He was listed in Forbes Israel’s “Best Doctors” (2025). He leads the genitourinary oncology program with a focus on prostate cancer. His care includes systemic therapy and radiotherapy in a multidisciplinary, patient-centered model.

He is board-certified in oncology. He earned his MD and PhD at Tel Aviv University and completed his clinical training at Sheba. He then completed a postdoctoral fellowship at Dana-Farber/Harvard, focusing on prostate cancer with Dr. Philip Kantoff and molecular oncology in Dr. William C. Hahn’s lab. He is a member of ESMO and ASCO. He has co-authored more than 20 peer-reviewed papers, including studies on outcomes in high- versus very high-risk prostate cancer and on BRCA1/2 in large cohorts.

Dr. Nir Kleinmann, MD, directs the Endourology and Kidney Stones Unit at Sheba Medical Center. He is an expert in minimally invasive urology and urologic oncology. His focus is the kidney and upper urinary tract. He was named among Israel’s Best Doctors for 2025–2026 by Forbes and ResultMed.

He is a pioneer of kidney‑sparing laser surgery. He uses a dual‑laser system with neodymium and holmium for complex tumors. His expertise includes UTUC, kidney and prostate cancer, kidney stones, and BPH.

His research includes the OLYMPUS trial on chemoablation for UTUC. He has more than 60 publications.

He is an Israeli board‑certified urologist. He is a Fellow of the American Endourology Society and a member of the Israeli Urological Association and the EAU. He completed fellowships in Endourology and Minimally Invasive Surgery at Thomas Jefferson University. He also completed a fellowship in Kidney Cancer Research at McMaster University.

Professor Jair Bar, MD, PhD, is a thoracic oncologist and Deputy Director of the Cancer Center at Sheba Medical Center. He leads the Thoracic Oncology Unit. He treats lung cancer, including advanced non-small cell cases. His care includes medical oncology, radiotherapy, immunotherapy, and targeted therapy.

He runs a translational research lab focused on resistance to immunotherapy. He has published on exhaled-breath cancer metabolism and on angiogenesis inhibition in lung cancer.

He has chaired the Israel Lung Cancer Group since 2003. He is a member of the Israel Society of Clinical Oncology and Radiotherapy, the American Society of Clinical Oncology, and the American Association for Cancer Research. He is board-certified in Medical Oncology and Radiotherapy Oncology. He is a Senior Lecturer at Tel Aviv University.

Il medico ha completato gli studi di medicina presso l'Università di Vienna nel 1998, con formazione presso UCLA e l'Università della Pennsylvania. Dal 2000 al 2006, il medico si è formato come specialista in medicina interna presso l'Ospedale Generale di Vienna, seguito da una specializzazione aggiuntiva in gastroenterologia ed epatologia dal 2006 al 2008, e in medicina intensiva interna dal 2008 al 2010.<\/p>

Nel 2003, il medico ha fondato e gestito il laboratorio di emodinamica epatica e la clinica ambulatoriale per la cirrosi presso l'Università Medica di Vienna. Dal 2018, il medico è a capo del Dipartimento di Medicina Interna I presso l'Ospedale dei Fratelli della Misericordia di Vienna.<\/p>

Dr. Zohar Dotan is Head of the Urology Department at Sheba Medical Center. He is a leading uro-oncologist and a pioneer of robotic and laparoscopic urologic surgery in Israel.

He has authored more than 50 scientific publications. He is a regular speaker at international conferences. He has received awards from the American Association of Clinical Surgery, including recognition for research in prostate cancer treatment.

Leadership and credentials: Head of the Israeli Uro-Oncology Society. Assistant Professor at Tel Aviv University. Member of the Israeli, American, and European Urological Associations. Training: MD from Tel Aviv University and a PhD in Genetics. Urology residency at Sheba Medical Center. Fellowship in uro-oncology and laparoscopic surgery at Memorial Sloan Kettering, New York.

Assoc. Prof. Dr. Burak Günaydın is a specialist in Orthopedics and Traumatology. He sees patients at the Optimed International Çorlu Hospital, Orthopedics and Traumatology Outpatient Clinic. Clinic hours: 09:00–18:00. He graduated from Ankara University Faculty of Medicine in 2004. He completed his specialization at Şişli Hamidiye Etfal in 2010.

Clinical focus: prosthetic surgery, meniscus surgery, shoulder arthroscopy, fracture surgery, orthopedic oncology, pediatric orthopedics, and anterior cruciate ligament surgery.

Awards include the XIX. Akif Şakir Şakar Science Award in Clinical Research (TOTDER, 2015) and a certificate of appreciation (2019). Accreditations and certificates include EFORT (2010, 2017, 2021) and AO Trauma courses (2012, 2013). He has been a TUSYAD member since 2011. He has publications in the Archives of Orthopaedic and Trauma Surgery, the Indian Journal of Orthopaedics, and the International Journal of Surgery.