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In the present edition this work has been satisfactorily brought up to date. New material has been included mainly with reference to the hemolytic anemias, sternal biopsy and the hemorrhagic states. The beginning chapters are designed to provide a theoretical background for the study of hematology. They deal with the embryology of hemocytogenesis, the theories of its continuation in postnatal life under normal and abnormal conditions, and they review the information at hand concerned with the function and fate of the cells of the blood. The various theories of blood cell formation are mentioned, but that based on the work of Sabin, Doan and Cunningham is emphasized. The identification of the megaloblast as the precursor of the normal line of erythropoiesis is adhered to throughout, although mention is made of the fact that this is not universally accepted. The interpretation of the information derived from laboratory examinations of the blood
Disorders of the Blood: Diagnosis, Pathology, Treatment and Technique. JAMA. 1941;117(1):76. doi:10.1001/jama.1941.02820270076035