title: Medical mystery: the answer.
authors.forename: A F
authors.initials: AF
authors.lastname: Nikkels
authors.forename: G E
authors.initials: GE
authors.lastname: Piérard
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000474:Alkaptonuria / Q000175:diagnosis; D002114:Calcinosis / Q000000981:diagnostic imaging; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D009794:Ochronosis / Q000175:diagnosis*; D010084:Oxidation-Reduction; D010859:Pigmentation Disorders / Q000175:diagnosis; D011859:Radiography; D013122:Spinal Diseases / Q000000981:diagnostic imaging; D014556:Urine; D019824:beta-MSH / Q000097:blood
chemical_list: D019824:beta-MSH