1大腸癌の頻度
Prevalence and incidence of colorectal cancer
斎藤 博 Hiroshi Saito
2精査患者を対象とした大腸陥凹型腫瘍の頻度
The rate of endoscopic detection for depressed type colorectal neoplasms
原 栄志 Eishi Hara
3多施設遡及的検討から見た平坦・陥凹型大腸腫瘍の頻度について
Incidence of and clinicopathological characteristics of depressed type lesions: baseline findings of multicentre retrospective cohort study