[Problems in refractory congenital dislocation of the hip].
D002648:Child; D002675:Child, Preschool; D005260:Female; D006618:Hip Dislocation, Congenital / Q000601:surgery*; D006801:Humans; D007223:Infant; D008297:Male; D011182:Postoperative Care; D011379:Prognosis