Shimamoto, T., Yamamichi, N., Kodashima, S., Takahashi, Y., Fujishiro, M., Oka, M., . . . Koike, K. (2013). No Association of Coffee Consumption with Gastric Ulcer, Duodenal Ulcer, Reflux Esophagitis, and Non-Erosive Reflux Disease: A Cross-Sectional Study of 8,013 Healthy Subjects in Japan. Public Library of Science.

Shimamoto, Takeshi, Nobutake Yamamichi, Shinya Kodashima, Yu Takahashi, Mitsuhiro Fujishiro, Masashi Oka, Toru Mitsushima, و Kazuhiko Koike. No Association of Coffee Consumption With Gastric Ulcer, Duodenal Ulcer, Reflux Esophagitis, and Non-Erosive Reflux Disease: A Cross-Sectional Study of 8,013 Healthy Subjects in Japan. Public Library of Science, 2013.

Shimamoto, Takeshi, et al. No Association of Coffee Consumption With Gastric Ulcer, Duodenal Ulcer, Reflux Esophagitis, and Non-Erosive Reflux Disease: A Cross-Sectional Study of 8,013 Healthy Subjects in Japan. Public Library of Science, 2013.