Clinical Hematology by Maxwell Wintrobe has been the classical hematology text since its first edition published in 1942. The Fifth Edition, just published, has become truly encyclopedic. One can predict with assurance that if information of importance to clinical medicine exists concerning the blood or blood-forming organs, it will be found carefully indexed, clearly described, and faithfully documented in this book. The pages and type are larger, and the doublecolumn format has been used to the reader's advantage.
During the past 20 years, the field of hematology has expanded as rapidly as any field in medicine or the biological sciences. Anatomy, morphologic and cytologic histology, biochemistry and histochemistry, physiology, pharmacology, and radiobiology have contributed to this spectacular advance, much of which has occurred in the last five years. All this basic knowledge has been accumulated on these pages in interesting and readable form. The numerous discoveries that have been made