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August 4, 1917


JAMA. 1917;LXIX(5):383. doi:10.1001/jama.1917.25910320001016

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I have devised a small blood lancet as shown in the illustration. It is small, and solidly set in a steel case with a screw-top protecting cover. It has proved efficient for drawing an adequate droplet of blood from the ear or finger tip. It costs twenty-five cents—half the amount of the instrument usually used for this purpose. It will easily fit into any hemacytometer case, and is convenient to carry in the vest pocket.

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