Tomohisa Ohwan

Natural seroconversion from hepatitis be antigen to antibody among hepatitis B virus carriers in Okinawa islands

F. Kinjo, A. Saito, H. Sakugawa, 1991, Journal of medical virology.

Successful endoscopic removal of a duodenal adenoma occurring in Brunner's gland hyperplasia

M. Iida, S. Tada, T. Kamio, 2004 .

COMMUNITY‐BASED MASS SCREENING FOR COLORECTAL CANCER BY A COMBINATION OF FECAL OCCULT BLOOD TESTING AND FLEXIBLE SIGMOIDOSCOPY

R. Nozaki, Kazutaka Yamada, M. Takano, 2006 .