International symposium on congenital hip dysplasia.
D000367:Age Factors; D002675:Child, Preschool; D006615:Hip / Q000473:pathology; D006618:Hip Dislocation, Congenital / Q000209:etiology / Q000473:pathology / Q000628:therapy; D006801:Humans; D007223:Infant; D007231:Infant, Newborn