Comments on the classification.
Niwa
Hirohumi
H
Japan Gastroenterological Society (JGES), Tokyo, Japan.
D004067:Digestive System Neoplasms / Q000145:classification / Q000473:pathology*; D019723:Endoscopes / Q000145:classification; D016145:Endoscopy, Digestive System / Q000145:classification*; D006801:Humans; D009367:Neoplasm Staging; D012680:Sensitivity and Specificity