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ARTICLE |

THE VALUE OF TALLQVIST'S HEMOGLOBINOMETER.

JAMA. 1904;XLIII(18):1315. doi:10.1001/jama.1904.02500180045014.
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Most of the laboratory procedures designed to aid the practitioner are so time consuming or so technical that they are neglected altogether or turned over to the specialist. Any instrument which is cheap, simple and reasonably reliable ought, therefore, to come into instant favor with the profession, especially if the technical operation consumes only one or two minutes. Such an instrument is the Tallqvist hemoglobinometer, an instrument which was introduced two or three years ago, but which does not seem to have received the wide use which it merits. The comparison of a drop of blood on filter paper with a graduated color scale is so simple that many physicians have probably considered it inaccurate. It is well to bear in mind that accuracy in such procedures as estimating the hemoglobin is only relative with the best machines, and it is certainly more desirable that a large number of examinations

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