Perthes' disease of the hip in Liverpool.
D002648:Child; D005271:Femur Head Necrosis / Q000209:etiology*; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000209:etiology; D007223:Infant; D007873:Legg-Calve-Perthes Disease / Q000209:etiology*; D009748:Nutrition Disorders / Q000150:complications*