History of the endoscopic classification in Japan.
Niwa
Hirohumi
H
Japan Gastroenterological Society (JGES), Tokyo, Japan.
D004067:Digestive System Neoplasms / Q000145:classification* / Q000266:history / Q000473:pathology; D016145:Endoscopy, Digestive System / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007564:Japan