RT Journal A1 HAYHURST ER T1 A satisfactory method for staining blood smears JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1909 FD April 3 VO LII IS 14 SP 1100 OP 1102 DO 10.1001/jama.1909.25420400026002 UL http://dx.doi.org/10.1001/jama.1909.25420400026002 AB THE VALUE OF BLOOD SMEARSĀ  To the practicing physician the most important feature in all blood examinations is the stained blood smear. It is also the most exact of the hematologic findings. It is as important in all abnormal conditions of the blood (the infectious and chronic diseases, as well as the so-called blood diseases) as a stained tissue in the diagnosis of a pathologic growth. It gives the eye a true picture of the conditions present which the mechanical blood findings fail to convey.It is to be regretted that with many it simply stands for the differential leucocyte count and occasionally a search for parasites or enucleated red cells. On the other hand, it is, indeed, the most comprehensive of all blood findings, for it includes in itself the mechanical as well as the pathologic findings, while it requires the least time, the least technic, is the least