title: Prevention of avascular necrosis during treatment of congenital dislocation of the hip.
mesh_terms: D002675:Child, Preschool; D005260:Female; D005271:Femur Head Necrosis / Q000209:etiology / Q000517:prevention & control*; D005500:Follow-Up Studies; D006618:Hip Dislocation, Congenital / Q000628:therapy*; D006801:Humans; D015994:Incidence; D007223:Infant; D008297:Male; D014143:Traction / Q000009:adverse effects*