Massive gastrointestinal hemorrhage in a case of Boeck's sarcoid.
D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D006801:Humans; D012507:Sarcoidosis / Q000150:complications*
GASTROINTESTINAL SYSTEM/hemorrhage; SARCOIDOSIS/complications