[A 49-year-old male with lumbago, right knee arthritis and calcification of the intervertebral disks].
D001168:Arthritis / Q000209:etiology*; D001416:Back Pain / Q000209:etiology; D002114:Calcinosis / Q000209:etiology; D006801:Humans; D007403:Intervertebral Disc; D007719:Knee Joint; D008297:Male; D008875:Middle Aged; D009794:Ochronosis / Q000150:complications* / Q000175:diagnosis / Q000209:etiology; D013128:Spinal Osteophytosis / Q000209:etiology*
Varón de 49 años con lumbalgia, artritis de rodilla derecha y calcificación de los discos intervertebrales.