Diverticulosis coli: not a common cause of minor bleeding.
D000367:Age Factors; D000368:Aged; D004241:Diverticulum, Colon / Q000150:complications*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008551:Melena / Q000209:etiology; D008875:Middle Aged