Pseudoxanthoma elasticum and gastrointestinal bleeding.
D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis; D011561:Pseudoxanthoma Elasticum / Q000150:complications*