title: Avascular necrosis as a complication of congenital dislocation of the hip: a 20-year evaluation.
mesh_terms: D000328:Adult; D002648:Child; D005069:Evaluation Studies as Topic; D005271:Femur Head Necrosis / Q000209:etiology*; D006618:Hip Dislocation, Congenital / Q000150:complications / Q000628:therapy*; D006801:Humans; D007231:Infant, Newborn; D008485:Medical Audit; D014143:Traction