Book reviewed in this article:REVIEW OF MEDICAL PHYSIOLOGY.By W. F. GANONG, M.D.RECONSTRUCTION SURGERY AND TRAUMATOLOGY, VOLUME 14.Edited by G. CHAPCHAL.THE PORTAL VENOUS SYSTEM.By CHARLES MARKS, M.D., F.R.A.C.P., F.R.C.S., F.C.C.P., F.A.C.C.THE HIP: PROCEEDINGS OF THE FIRST OPEN SCIENTIFIC MEETING OF THE HIP SOCIETY, 1973.St Louis: The C. V. MosbyTHE PRINCIPLES OF TRANSURETHRAL RESECTION AND HÆMOSTASIS.By J. P. MITCHELL, M.S., F.R.C.S., F.R.C.S. (Edin.)THE INFLUENCE OF PANCREATIC TUMOURS ON THE STOMACH.By ROBERT M. ZOLLINGER, M.D. and DAVID W. COLEMA