Yield of colonoscopy for nonacute rectal bleeding.
Sawhney
Mandeep S
MS
Nelson
Douglas B
DB
D003113:Colonoscopy; D016208:Databases, Factual; D006471:Gastrointestinal Hemorrhage / Q000473:pathology*; D006801:Humans; D015337:Multicenter Studies as Topic; D012002:Rectal Diseases / Q000473:pathology*