A Study on Positivity Rates of Immunological Occult Blood Testing in Subjects with positive tests in previous screenings - MENO, Junichi; INAMASU, Yukio; KONISHI, Tadamitsu; IMAMURA, Koichi; FUJIYOSHI, Tateshi; YOTSUMOTO, Junsei; TAKANO, Masahiro (Journal of Gastroenterological Mass Survey, 1994)