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Academician

RAMAZAN ERDEM ER

Doktor Öğretim Üyesi

Ankara Üniversitesi Tıp Fakültesi Dahili Tıp Bilimleri Bölümü

Research topics OpenAlex
  1. Ana Dal Sağlık Bilimleri Temel Alanı
  2. Yan Dal Gastroenteroloji (İç Hastalıkları)
Articles 26 YÖKSİS 26 · OpenAlex 0 Total citations 341 h-index 7 · OpenAlex Q1 articles 3 Scopus · WoS Q1 3 Best field rank #16,294 / 39,749 Main field · top 41.0% Co-authors 84 14 Turkish institutions

Citation impact

OpenAlex YÖKSİS articles matched in OpenAlex: 19 + YÖKSİS · co-author record: 6
h-index 7 Percentile in Türkiye: 61 #1,224 of 2,556 at their university by h-index
i10-index
6
Total citations
341
Top 19% in Türkiye
Per article
13.6
FWCI
1.10
1.00 = world average
World top 1%
0
World top 10%
4

Most cited articles

  1. Neutrophil to Lymphocyte Ratio in Evaluation of Inflammation in Patients with Chronic Kidney Disease 2013 world top 10% 207 citations
  2. A New Approach for Increasing Availability of Liver Grafts and Donor Safety in Living Donor Liver Transplantation: RAPID Procedure in the Cirrhotic Setting With Hepatocellular Carcinoma 2021 world top 10% 28 citations
  3. Novel Inflammatory Marker in Dialysis Patients YKL 40 2013 24 citations
How is this computed?

h-index and citations are computed from the citation counts of this academic’s YÖKSİS articles matched in OpenAlex (not Google Scholar, WoS or Scopus). Unmatched articles are not included. 6 articles (45 citations) tagged with this academic’s YÖK author id in co-authors’ YÖKSİS records count only towards citations, h-index and i10; article counts, percentiles and rankings use their own YÖKSİS list. h-index on the OpenAlex author profile: 7.

Field ranking

YÖKSİS ?

Collaboration network

From the author lists of YÖKSİS publication records. Duplicate records of a work count once; institutions are co-authors’ current YÖKSİS affiliations.

Co-authors
84
With an akaturk profile
44
Turkish institutions
14
Co-authored works
%100

Academic co-authors 44

  1. ABDULLAH EMRE YILDIRIM Profesör · İstanbul Arel Üniversitesi 7
  2. MESUT GÜMÜŞSOY Doktor Öğretim Üyesi · Ankara Üniversitesi same university 5
  3. SEZGİN BARUTÇU Doçent · Sanko Üniversitesi 5
  4. HALE GÖKCAN Profesör · Ankara Üniversitesi same university 4
  5. RAMAZAN İDİLMAN Profesör · Ankara Üniversitesi same university 4
  6. ZEYNEP MELEKOĞLU ELLİK Doktor Öğretim Üyesi · Ankara Üniversitesi same university 4
  7. ATİLLA HALİL ELHAN Profesör · Ankara Üniversitesi same university 3
  8. BERNA SAVAŞ Profesör · Ankara Üniversitesi same university 3
  9. GÜLAY ULUSAL OKYAY Profesör · Sağlık Bilimleri Üniversitesi 3
  10. SABA KİREMİTCİ Doçent · Ankara Üniversitesi same university 3
Show all (44)
  1. YASEMİN ERTEN Profesör · Gazi Üniversitesi 3
  2. ÇAĞDAŞ KALKAN Profesör · Gazi Üniversitesi 3
  3. ABDULLAH MÜBİN ÖZERCAN Doktor Öğretim Üyesi · Fırat Üniversitesi 2
  4. HATİCE PAŞAOĞLU Profesör · Gazi Üniversitesi 2
  5. KORAY CEYHAN Profesör · Ankara Üniversitesi same university 2
  6. MURAT TÖRÜNER Profesör · Ankara Üniversitesi same university 2
  7. ÜLVER DERİCİ Profesör · Gazi Üniversitesi 2
  8. ŞENİZ DEMİRYÜREK Profesör · Gaziantep Üniversitesi 2
  9. AHMET GÜNDÜZ Profesör · Harran Üniversitesi 1
  10. ALPAY AZAP Profesör · Ankara Üniversitesi same university 1
  11. ALİ EKREM ÜNAL Profesör · Ankara Üniversitesi same university 1
  12. AYSUN KARTAL Doktor Öğretim Üyesi · İzmir Bakırçay Üniversitesi 1
  13. BARIŞ GÜMÜŞTAŞ Öğretim Görevlisi (uygulamalı Birim) · Ege Üniversitesi 1
  14. BENGİ ÖZTÜRK Doktor Öğretim Üyesi · Hacettepe Üniversitesi 1
  15. DENİZ BALCI Profesör · Bahçeşehir Üniversitesi 1
  16. DİĞDEM KURU ÖZ Doçent · Ankara Üniversitesi same university 1
  17. ELVAN ONUR KIRIMKER Doçent · Ankara Üniversitesi same university 1
  18. EVREN ÜSTÜNER Profesör · Ankara Üniversitesi same university 1
  19. FATMA DUYGU KAYA YERTUTANOL Doçent · Üsküdar Üniversitesi 1
  20. GÜL AYŞE ERDEN Profesör · Ankara Üniversitesi same university 1
  21. KADRİYE ALTOK Profesör · Gazi Üniversitesi 1
  22. KÜRŞAD ÖNEÇ Doçent · Düzce Üniversitesi 1
  23. MEHMET KAAN KARAYALÇIN Profesör · Ankara Üniversitesi same university 1
  24. MELDA TÜRKOĞLU Profesör · Gazi Üniversitesi 1
  25. MELTEM KOLOĞLU Profesör · Ankara Üniversitesi same university 1
  26. MERVE YASEMİN TEKBUDAK Araştırma Görevlisi · Gazi Üniversitesi 1
  27. MUSTAFA KEMAL BAYAR Profesör · Ankara Üniversitesi same university 1
  28. NECATİ ÖRMECİ Profesör · İstanbul Sağlık Ve Teknoloji Üniversitesi 1
  29. PINAR KUBİLAY TOLUNAY Doktor Öğretim Üyesi · Ankara Üniversitesi same university 1
  30. SALİM DEMİRCİ Profesör · Ankara Üniversitesi same university 1
  31. SELİM TAMAM Doktor Öğretim Üyesi · Ankara Üniversitesi same university 1
  32. SERDAR ÇULCU Doçent · Ankara Üniversitesi same university 1
  33. SÜHEYLA KARADAĞ ERKOÇ Doçent · Ankara Üniversitesi same university 1
  34. ŞAHENDER GÜLBİN AYGENCEL BIKMAZ Profesör · Gazi Üniversitesi 1

National collaboration 14 institutions

Within own university13 joint works · Ankara Üniversitesi

  1. İstanbul Arel Üniversitesi 7 works · 1 academics
  2. Gazi Üniversitesi 6 works · 8 academics
  3. Sanko Üniversitesi 5 works · 1 academics
  4. Sağlık Bilimleri Üniversitesi 3 works · 1 academics
  5. Fırat Üniversitesi 2 works · 1 academics
  6. Gaziantep Üniversitesi 2 works · 1 academics
  7. Bahçeşehir Üniversitesi 1 works · 1 academics
  8. Düzce Üniversitesi 1 works · 1 academics
  9. Ege Üniversitesi 1 works · 1 academics
  10. Hacettepe Üniversitesi 1 works · 1 academics
Show all (14)
  1. Harran Üniversitesi 1 works · 1 academics
  2. Üsküdar Üniversitesi 1 works · 1 academics
  3. İstanbul Sağlık Ve Teknoloji Üniversitesi 1 works · 1 academics
  4. İzmir Bakırçay Üniversitesi 1 works · 1 academics

Other co-authors (incl. international) 40

AYHAN BALKAN 6BUĞRA TOLGA KONDUK 6EMİN BODAKÇİ 6MURAT TANER GÜLŞEN 5ARİF İRFAN SOYKAN 4SERKAN DUMAN 3MEHMET BEKTAŞ 2MUHAMMED FATİH KARAKAYA 2SALİH İNAL 2SAMET ALKAN 2SEVİNÇ TUĞÇE GÜVENİR 2VOLKAN YILMAZ 2VOLKAN YILMAZ 2Yigit Baykara 2ÖZGE TUĞÇE PAŞAOĞLU 2ABDULKADİR DOKMECİALİ ABBAS YILMAZBAHAR ULAŞCENNET BÜŞRA DAĞVİRENDİLARA TURANEzgi AltinsoyFIRAT TEKEŞFatih AcehanGÖKHAN GÖKTENHALE ÇOLAKOĞLU ERLubna KamaniMerih Deniz TorunerMerve Meliha EkelikROHIT LOOMBASERKAN DUMANLITALHA YILDIZTAN ATTİLAUFUK UTKU GÖKTUĞYEŞİM GÜRBÜZZEYNEP ELLİKkürşat öneçÖMER ŞENTÜRKÖZGÜN ÖMER ASİLLERÖzge KoçİSMAİL CAN TERCAN

Authors without an akaturk profile (international researchers, retired or former academics, students, clinicians) are grouped by name spelling; short forms such as “Gulluce M.” join the single full name they match.

Indexes and citation percentiles

?
TR Index 4 articles
OpenAlex citation percentile
Top 1%0
Top 10%4
Avg · n 19 %56.5
Other counts

Scopus (SJR)

  • YÖKSİS rows 18

WoS (JCR)

  • YÖKSİS rows 18

Articles

Articles with YÖKSİS and OpenAlex source split; narrow by quartile or TR Index.

26articles

Journals with publications

23 journals

Narrow down

Scopus (SJR)
Q13 Q25 Q36 Q44
WoS (JCR)
Q13 Q22 Q35 Q48
TR Index
4articles

Article list

  1. 2026 Histological and clinical disease progression in patients with metabolic dysfunction-associated steatotic liver disease using paired liver biopsy Eur J Gastroenterol Hepatol. YÖKSİS SJR Q2 JCR Q3
  2. 2025 EXPRESS: PREVALENCE AND PREDICTORS OF AUTOIMMUNE GASTRITIS IN PATIENTS WITH CELIAC DISEASE Journal of Investigative Medicine DOI 10.1177/10815589251361891 YÖKSİS SJR Q2 JCR Q2 OpenAlex 73.6%
  3. 2025 Beyond Oncologic Benefit: Diabetes Remission Following Long-Limb Roux-en-Y Reconstruction in Laparoscopic Gastric Cancer Surgery Journal of Laparoendoscopic & Advanced Surgical Techniques DOI 10.1177/10926429251389908 YÖKSİS SJR Q3 JCR Q3 OpenAlex 33.3%
  4. 2025 Evaluation of portal venous flow velocity before and after direct acting antiviral therapy in chronic hepatitis C: A cohort study MEDICINE DOI 10.1097/MD.0000000000046147 YÖKSİS SJR Q2 JCR Q2 OpenAlex 35.8%
  5. 2025 Ustekinumab-induced Henoch-Schönlein purpura in Crohn’s disease: a case report and literature review Intestinal Research DOI 10.5217/ir.2025.00009 YÖKSİS SJR Q1 JCR Q1 OpenAlex 74.5%
  6. 2025 Hepatic steatosis is associated with HBSAG seroclearance in patients with chronic hepatitis B virus infection but it is also associated with disease progression Hepatol Forum. YÖKSİS TR Index SJR Q3 JCR Q3 OpenAlex 75.7%
  7. 2024 Unraveling the Mysteries of Autoimmune Gastritis. The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology DOI 10.5152/tjg.2024.24563 YÖKSİS SJR Q3 JCR Q4 OpenAlex top 10% OpenAlex 93.9%
  8. 2024 Use of Endoscopic Ultrasound Elastography to Differentiate between Gastrointestinal Stromal Tumor and Leiomyoma Localized in the Upper Gastrointestinal Tract. Euroasian journal of hepato-gastroenterology DOI 10.5005/jp-journals-10018-1419 YÖKSİS OpenAlex 67.3%
  9. 2024 A combination of non-invasive tests for the detection of significant fibrosis in patients with metabolic dysfunction-associated steatotic liver disease is not superior to magnetic resonance elastography alone European Radiology DOI 10.1007/s00330-023-10441-5 YÖKSİS SJR Q1 JCR Q1 OpenAlex top 10% OpenAlex 93.2%
  10. 2024 Factors Affecting The Results of Endoscopic Ultrasound-Guided Fine Needle Aspiration In Subepithelial Lesions of The Gastrointestinal Tract Global Gastroenterology DOI 10.21608/GG.2024.247621.1020 YÖKSİS OpenAlex 18.1%
  11. 2023 A Rare Cause of Upper Gastrointestinal System Bleeding: Gallstones Diagnostic and Interventional Endoscopy DOI 10.5152/DiagnIntervEndosc.2023.23074 YÖKSİS OpenAlex 32.0%
  12. 2023 Siyanoakrilat ilişkili pulmoner emboli; Olgu sunumu Akademik Gastroenteroloji Dergisi YÖKSİS TR Index OpenAlex 43.0%
  13. 2022 The Impact of Inflammatory Bowel Diseases and Related Medications on COVID-19 Severity and Outcome: A Tertiary Referral Center Experience from Turkey. The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology DOI 10.5152/tjg.2022.22059 YÖKSİS SJR Q3 JCR Q4 OpenAlex 56.9%
  14. 2021 Hepatitis D Infection in Asia: A Perspective From an Endemic Region Clinical Liver Disease DOI 10.1002/cld.1106 YÖKSİS SJR Q3
  15. 2021 A New Approach for Increasing Availability of Liver Grafts and Donor Safety in Living Donor Liver Transplantation: RAPID Procedure in the Cirrhotic Setting With Hepatocellular Carcinoma Liver Transplantation DOI 10.1002/lt.25855 YÖKSİS SJR Q1 JCR Q1 OpenAlex top 10% OpenAlex 91.2%
  16. 2020 Comparison Between RIFLE, AKIN, and KDIGO: Acute Kidney Injury Definition Criteria for Prediction of In-hospital Mortality in Critically Ill Patients Iranian Journal of Kidney Diseases YÖKSİS SJR Q3 JCR Q4
  17. 2020 Percutaneous treatment with the Örmeci technique of cystic echinococcosis: experience of single center Gastroenterology Hepatology: Open Access YÖKSİS OpenAlex 58.6%
  18. 2019 Effects of endoscopic biliary drainage on proximal and distal malignant biliary obstructions Acta Medica Mediterranea DOI 10.19193/0393-6384_2016_3_73 YÖKSİS SJR Q4 JCR Q4
  19. 2018 Effect of Helicobacter pylori Infection on Duodenitis in Patients with Dyspepsia European Journal of Therapeutics DOI 10.5152/EurJTher.2017.262 YÖKSİS TR Index JCR Q3 OpenAlex 3.0%
  20. 2017 Prevalence of celiac disease in patients with hepatitis B and C virus related cirrhosis and cryptogenic liver cirrhosis Biomedical Research YÖKSİS SJR Q4 JCR Q4

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