Abstract
Although many articles have appeared on the variations in the sedimentation rate and nuclear count, little has been written on these subjects in relation to low grade chronic diseases, except tuberculosis and chronic arthritis, which have been studied extensively, and ulcerative colitis, concerning which an article has recently been published.1 The sedimentation rate has been reported as normal in focal infections,2muscular rheumatism3and peptic ulcer without complications.4Sjögren5reported that its determination was "useful in latent infection of the eye." In regard to nuclear counts, it has been stated that in "all important focal infections"6and "long-continued or low-grade infection"7there is a rise in the Schilling index and that there is "in chronic conditions a persistent high shift,"8and there have been such conflicting statements as that of Rosenfeld,9that in chronic appendicitis the blood picture is normal, and that of Crocker and Valentine,10that in

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