This map shows the geographic impact of Ok‐Jae Lee's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ok‐Jae Lee with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ok‐Jae Lee more than expected).
This network shows the impact of papers produced by Ok‐Jae Lee. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ok‐Jae Lee. The network helps show where Ok‐Jae Lee may publish in the future.
Co-authorship network of co-authors of Ok‐Jae Lee
This figure shows the co-authorship network connecting the top 25 collaborators of Ok‐Jae Lee.
A scholar is included among the top collaborators of Ok‐Jae Lee based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Ok‐Jae Lee. Ok‐Jae Lee is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Kim, Wan Soo, Tae Hyo Kim, Jae Jin Hwang, et al.. (2011). A Case of Intrahepatic Sarcomatoid Cholangiocarcinoma with Rhabdoid Transformation. The Korean Journal of Internal Medicine. 80(4). 453–457.1 indexed citations
8.
Kim, Tae Hyo, et al.. (2009). A case of intraluminal gallbladder hematoma and subsequent cholecystitis after percutaneous liver biopsy. The Korean Journal of Internal Medicine. 76(1). 74–77.
9.
Kim, Hyunjin, et al.. (2009). A gastric schwannoma presenting as an abdominal mass. The Korean Journal of Internal Medicine. 76. 44–48.
10.
Lee, Chang‐Min, et al.. (2009). Two Cases of Boerhaave's Syndrome Treated by Endoscopic Hemoclipping. Clinical Endoscopy. 39(6). 359–363.1 indexed citations
11.
Lee, Ok‐Jae, et al.. (2009). A Case of Phytobezoar in the Common Bile Duct Following Percutaneous Transhepatic Papillary Large Balloon Dilatation. Clinical Endoscopy. 39(3). 181–184.
Lee, Jaemin, et al.. (2008). Duodenal Variceal Bleeding Treated with a Combination of Endoscopic Ligation and Injection Sclerotherapy - Two Case Reports and a Review of the Korean Clinical Literature -. Clinical Endoscopy. 36(5). 292–297.1 indexed citations
14.
Kim, Hyunjin, et al.. (2007). Endoscopic and Clinical Characteristics of Gastrointestinal Parasite Infections. Clinical Endoscopy. 35(5). 304–312.1 indexed citations
15.
Lee, Eunjung, et al.. (2007). Endodontic file in an appendix. The Korean Journal of Internal Medicine. 72(2). 209–212.1 indexed citations
16.
Kang, Seok Jin, et al.. (2007). A Case of Tuberculosis of the Esophagus and Duodenum Associated with Pulmonary Tuberculosis. Clinical Endoscopy. 35(3). 165–169.
17.
Lee, Ji-Hun, et al.. (2005). A Case of Epoxy Resin Induced Thermal Injury in Upper Gastrointestinal Tract. Clinical Endoscopy. 30(6). 325–329.1 indexed citations
18.
Cho, Jung-Hyun, et al.. (2004). Pyogenic Liver Abscess by Proteus vulgaris Complicated with Acute Purulent Pericarditis: A Case Report and Review of Korean Literature.. Infection and Chemotherapy. 36(1). 46–49.
19.
Kim, Hyun‐Jin, et al.. (2004). Endoscopic Treatment of Esophageal Foreign Bodies in Adult: Management of 257 Cases.. Clinical Endoscopy. 29(2). 51–57.5 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.