Book Review The Medical Department of the United States Army In The World War. Volume XII. Pathology Of The Acute Respiratory Diseases, and of Gas Gangrene Following War Wounds . Prepared under The Direction of Maj. Gen. M. W. Ireland, The Surgeon General. By Maj. George R. Callender, M.C., and Maj. James F. Coupal. Washington: U. S. Government Printing Office: 1929.