Shigeki Koyama

29 papers and 419 indexed citations i.

Shigeki Koyama has authored 29 papers that have received a total of 419 indexed citations. This includes 14 papers in Surgery, 10 papers in Gastroenterology and 7 papers in Epidemiology. The topics of these papers are Inflammatory Bowel Disease (6 papers), Helicobacter pylori-related gastroenterology studies (5 papers) and Esophageal Cancer Research and Treatment (4 papers). Shigeki Koyama is often cited by papers focused on Inflammatory Bowel Disease (6 papers), Helicobacter pylori-related gastroenterology studies (5 papers) and Esophageal Cancer Research and Treatment (4 papers) and collaborates with scholars based in Japan and United States. Shigeki Koyama's co-authors include Yoshihide Fujiyama, Akira Andoh, Tadao Bamba, Masaya Sasaki and Tomoyuki Tsujikawa and has published in prestigious journals such as Gastroenterology, Free Radical Biology and Medicine and Journal of Gastroenterology and Hepatology.