prepared by the Commission for the Study of Hip Dysplasia of the German Society for Orthopaedics and Traumatology ; edited by D. Tönnis ; with the cooperation of G. Anders ... [and others] ; translated by Gottfried Stiasny
[edited by] Margareta Nordin, Gunnar B.J. Andersson, Malcolm H. Pope ; project editor, Dawn Leger ; illustrator, Cristina Mickley Burwell ; foreword by Victor H. Frankel