title: Tell-tale telangiectasias.
mesh_terms: D000368:Aged; D001165:Arteriovenous Malformations / Q000209:etiology; D003937:Diagnosis, Differential; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000235:genetics; D006801:Humans; D013683:Telangiectasia, Hereditary Hemorrhagic / Q000150:complications / Q000175:diagnosis* / Q000235:genetics / Q000473:pathology