title: [Is Perthes' disease primarily unilateral?].
mesh_terms: D002648:Child; D002675:Child, Preschool; D004838:Epiphyses / Q000000981:diagnostic imaging; D005260:Female; D006615:Hip / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006801:Humans; D008297:Male; D010007:Osteochondritis / Q000000981:diagnostic imaging* / Q000503:physiopathology; D011859:Radiography; D013997:Time Factors
vernacular_title: Verläuft die Perthes'sche Erkrankung vorwiegend einseitig.