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Murray B. Gordon, M.D.
JAMA. 1940;114(16):1576. doi:10.1001/jama.1940.02810160078030.
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To the Editor:—  In a recent issue of The Journal (Dec. 2, 1939, p. 2079) appeared a communication from Dr. A. S. Wiener with reference to the erythrocyte sedimentation test. He referred to unpublished observations in which he and his co-workers noted the effect of external temperature on the sedimentation rate.As there is but little in the literature on this phase of the sedimentation rate, I refer to similar observations which were published in 1928 (Gordon, M. B., and Cohn, D. J.: The Effect of External Temperature on the Sedimentation Rate of the Red Blood Corpuscles, Am. J. M. Sc.176:211 [Aug.] 1928). In our studies we divided each sample of blood into three parts and each portion was placed under a different temperature (10 C., 23 C. and 37 C.) and permitted to sediment at that temperature. In some instances, after the first test, the tubes were


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