The revised edition of this book has been expanded considerably to include a large number of important diagnostic tests, some of which had only recently been used in research but now have been adapted for use in the clinical laboratory. The author has presented in concise form the majority of procedures ordinarily used for diagnosis of hematological disorders. The tests include those used in office practice for examination of blood, enumeration of the formed elements of blood, techniques of bone marrow study, special stains of blood preparations, and tests concerned with hemorrhagic disorders, hemolytic disease, and the "L. E." phenomenon. Tests of blood, stool, and urine pigments related to hemoglobin are outlined, as well as a large number of miscellaneous examinations.
The author has tried to select a simple method for a given test which is based on simplicity, reliability, and accuracy and is one requiring inexpensive apparatus. Whether the