title: The flexion sign of needle placement for hip arthrography: brief report.
authors.affiliation: Royal Orthopaedic Hospital, Birmingham.
authors.forename: A A
authors.initials: AA
authors.lastname: Bernard
mesh_terms: D001175:Arthrography / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D006621:Hip Joint / Q000000981:diagnostic imaging*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn