Gray's anatomy for students / Richard L. Drake, PhD, FAAA, Director of Anatomy, Professor of Surgery, Cleveland Clinic Lerner college of Medicine, Case Western Reserve University, Cleveland, Ohio, A. Wayne Vogl, PhD, FAAA, Professor of Anatomy and Cell Biology, Department of Cellular and Physiological Science, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada, Adam W.M. Mitchell, MB BS, FRCS, FRCR, Consultant Radiologist, Chelsea and Westminster Hospital, Honorary Senior Lecturer Imperial College, London, United Kindom ; illustrations by Richard Tibbitts and Paul Richardson ; photographs by Ansell Horn.