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St. Paul, Minn., Nov. 20, 1900.
To the Editor:
I was much interested in Dr. Allen Staples' letter in the last issue of The Journal, on "Medical Study in Helsingfors," and, particularly in his allusion to Tallquist's method of estimating the amount of hemoglobin by means of a color scale, because Tallquist's original article on this subject was published in the St. Paul Medical Journal for May, 1900, together with the color scale which was made for us in Helsingfors under his direction. Possibly some of your readers who are interested in this matter may be glad to know where this article can be found. The price of the Journal, with the color scale is fifty cents.
Foster B. Estimation of Amount of Hemoglobin. JAMA. 1900;XXXV(22):1421. doi:10.1001/jama.1900.02460480041015
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