[Two cases of pseudoxanthoma elasticum with massive gastric hemorrhage among the siblings (author's transl)].
D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000235:genetics*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011561:Pseudoxanthoma Elasticum / Q000150:complications / Q000235:genetics*; D013272:Stomach Diseases / Q000209:etiology / Q000235:genetics*