title: [Diagnostic difficulties in Friedrich's disease (author's transl)].
mesh_terms: D002648:Child; D002968:Clavicle; D003937:Diagnosis, Differential; D004838:Epiphyses; D006801:Humans; D008297:Male; D009336:Necrosis / Q000175:diagnosis; D013577:Syndrome
vernacular_title: Trudności diagnostyczne w rozpoznawaniu choroby Friedricha