S Koga

28 papers and 314 indexed citations
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About

S Koga is a scholar working on Pulmonary and Respiratory Medicine, Surgery and Gastroenterology. According to data from OpenAlex, S Koga has authored 28 papers receiving a total of 314 indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Pulmonary and Respiratory Medicine, 12 papers in Surgery and 4 papers in Gastroenterology. Recurrent topics in S Koga’s work include Gastric Cancer Management and Outcomes (13 papers), Metastasis and carcinoma case studies (11 papers) and Gastrointestinal Tumor Research and Treatment (4 papers). S Koga is often cited by papers focused on Gastric Cancer Management and Outcomes (13 papers), Metastasis and carcinoma case studies (11 papers) and Gastrointestinal Tumor Research and Treatment (4 papers). S Koga collaborates with scholars based in Japan. S Koga's co-authors include Nobuaki Kaibara, Michio Maeta, Yasuo IITSUKA, Tetsu Shimizu, Akihiko Kimura, Ryuichi Hamazoe, Akiharu Kimura, Seiji Shiota, Yaeko Murata and Takahiro Matsui and has published in prestigious journals such as JNCI Journal of the National Cancer Institute, British journal of surgery and Journal of Cancer Research and Clinical Oncology.

In The Last Decade

Co-authorship network of co-authors of S Koga

This figure shows the co-authorship network connecting the top 25 collaborators of S Koga. A scholar is included among the top collaborators of S Koga 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 S Koga. S Koga is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

Fields of papers citing papers by S Koga

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S Koga. 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 S Koga. The network helps show where S Koga may publish in the future.

Countries citing papers authored by S Koga

Since Specialization
Citations

This map shows the geographic impact of S Koga'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 S Koga with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S Koga more than expected).

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.

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2026