Roentgenography and Roentgenology of the Middle ear and Mastoid ProcessRoentgenography and Roentgenology of the Middle ear and Mastoid Process. By EtterLewis E., B.S., M.D., F.A.C.R., Professor of Radiology, Western Psychiatric Institute and Clinic, The Falk Clinic School of Medicine, University of Pittsburgh; Consultant, HowardC., Marcy State Hospital, Pittsburgh, Penna. With the collaboration of CrossLawrence C., R.T., Chief Research X-Ray Technician, Western Psychiatric Institute and Clinic, Chief X-Ray Technician, Veterans Administration Hospital, Leech Farm, Pittsburgh, Penna., and StuartMerle J., R.T., Research X-Ray Technician, Western Psychiatric Institute and Clinic, The Falk Clinic School of Medicine, University of Pittsburgh, Pittsburgh, Penna. With a Foreword by DayKenneth M., M.D., Professor of Otolaryngology; Department Chairman Emeritus, School of Medicine, University of Pittsburgh, Pittsburgh, Penna. A volume of 150 pages, with 135 figures. Published by Charles C Thomas, Springfield Ill., 1965. Price $9.75.