title: The use of zonography to demonstrate the head of the femur in infants in POP hip-spica.
mesh_terms: D002370:Casts, Surgical; D002648:Child; D002675:Child, Preschool; D005270:Femur Head / Q000000981:diagnostic imaging*; D006618:Hip Dislocation, Congenital / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D007223:Infant; D011184:Postoperative Period; D011187:Posture; D014056:Tomography, X-Ray