BLOOD

Abstract

The trend in hematology in 1939 was toward the experimental and chemical aspects of the physiology and pathology of the blood and of the blood-forming organs. Studies of material obtained by aspiration of sternal marrow have become an integral part of the analysis of disease. The present review contains data from selected articles published in 1939, with a few from previous years. With the growth of the literature on blood, the number of articles published has increased to such an extent that it has been necessary to omit some publications which no doubt contain material of interest and value. Some of these will be abstracted in later reviews. PERNICIOUS ANEMIA A most scholarly consideration of the more important facts and theories concerning knowledge of the etiologic factors in pernicious anemia is given by Meulengracht.¹ His presentation deserves a thoughtful perusal by all physicians who are interested in following the