title: Lower extremity involvement in Duchenne's muscular dystrophy.
mesh_terms: D000293:Adolescent; D001706:Biopsy; D002675:Child, Preschool; D006801:Humans; D007866:Leg / Q000000981:diagnostic imaging; D009132:Muscles / Q000473:pathology; D009136:Muscular Dystrophies / Q000000981:diagnostic imaging* / Q000473:pathology / Q000534:rehabilitation; D011859:Radiography