title: The efficiency of notification of congenital dislocation of the hip.
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D004739:England; D006618:Hip Dislocation, Congenital / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012042:Registries