[Diagnosis of occult hemorrhage in chronic diseases of the intestine].
D000328:Adult; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis*; D008297:Male; D009780:Occult Blood
Raspoznavanie skrytogo krovotecheniia pri khronicheskikh zabolevaniiakh kishechnika.