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Article
May 11, 1957

ESTIMATION OF BLOOD GLUCOSE CONCENTRATION WITH ORDINARY TES-TAPE

JAMA. 1957;164(2):204. doi:10.1001/jama.1957.02980020084022

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Abstract

To the Editor:—  We were interested in the article by Dr. Holbrooke S. Seltzer in the Nov. 24, 1956, issue of The Journal, page 1234. The disadvantage of his method is that it requires the separation of plasma ( or serum) from the patient's blood obtained by venipuncture; this may be inconvenient for patient and doctor. We have found the use of capillary blood equally satisfactory. About 0.5 ml. of blood can easily be collected from an ear or finger prick into a small tube (plain oxalate or heparin). After about 20 minutes enough plasma or serum will have separated to do the test as described by dipping the tape. We found it usually possible to make the readings shown below. The results were absolutely reliable at either end of the scale.

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