Book Reviews

IMMUNOLOGIC METHODS IN STEROID DETERMINATION . Edited by F. G. Peron and B. V. Burton. PHOTOBIOLOGY OF MICROORGANISMS . Edited by P. Halldal. HUMAN CELL CULTURE IN DIAGNOSIS OF DISEASE . By Jean H. Priest. REGULATION OF THE ANTIBODY RESPONSE, 2nd Edition . Edited by B. Cinader. PREVENTION OF Rh‐HEMOLYTIC DISEASE . By C. A. Clarke and R. B. McConnell. HISTOPLASMOSIS . Edited by L. Aiello, E. W. Chick and M. L. Furcolow. PMR SPECTROSCOPY IN MEDICINAL BIOLOGICAL CHEMISTRY . By A. F. Casy. THE RELATIONSHIP OF MAGNESIUM TO DISEASE IN DOMESTIC ANIMALS AND HUMANS . By J. K. Aikawa. RESEARCH IN DISEASES OF THE TROPICS . SEARCH FOR NEW DRUGS . (Medicinal Research Series, Volume 6.) Edited by A. A. Rubin. CELLULAR PHARMACOLOGY. The Effects of Drugs on Living Vertebrate Cells In Vitro . By Mary Dawson.