Book Review Therapeutics of the gastrointestinal Tract . By Carl Wegele, M.D., Adapted and Edited, with additions on the diagnosis of the diseases of the esophagus; diagnosis of the diseases of the gastrointestinal tract; duodenal tube and its uses; diseases of the pancreas, and x-ray examinations of the gastrointestinal tract by Maurice H. Gross, M.D., Attending Gastro-Enterologist to the Har Moriad Hospital and I. W. Held, M.D., Attending Physician to the Har Moriah Hospital. New York: Rebman Company. 1913.