About HIRAKAWA TSUNEHISA
About KAGAWA TAKAO
About MARUYAMA MASAAKI
About KOIZUMI NOBUHITO
About NACHI MOTOKO
About HIROTA KAORU
About YOSHIMOTO HITOSHI
About HOSHINAGA HARUKI
About KOBAYASHI MASAFUMI
About Progress of Digestive Endoscopy
About duodenal ulcer
About 内視鏡従事者
About Digestive system diagnosis
About Helicobacter
About 診断法
About 内視鏡
About 陽性率