title: Clinical studies on a Swedish material of pseudoxanthoma elasticum.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000209:etiology; D000793:Angioid Streaks / Q000209:etiology; D006332:Cardiomegaly / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D006909:Hydroxyproline / Q000652:urine; D006973:Hypertension / Q000209:etiology; D007383:Intermittent Claudication / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009887:Ophthalmoscopy; D011561:Pseudoxanthoma Elasticum / Q000150:complications / Q000652:urine; D011674:Pulse; D012162:Retinal Degeneration / Q000209:etiology; D014792:Visual Acuity
chemical_list: D006909:Hydroxyproline