Problems in Intrahepatic Cholestasis. Second International Symposium on Intrahepatic Cholestasis, Florence 1978: Edited by P. Gentilini, H. Popper, S. Sherlock, and U. Teodori. 249 pp., $75.75. S. Karger AG, Basel, Switzerland. Distributed by Albert J. Phiebig, Inc., White Plains, New York, 1979