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E. B. Claybrook, M.D.
JAMA. 1912;LIX(17):1540. doi:10.1001/jama.1912.04270100308019.
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Paul C., a healthy infant, was born of healthy parents, on April 25, 1911. There is no family history of a tendency to hemorrhage. The infant was circumcised at 10 days old, and this simple operation was followed by a most persistent oozing, which continued for a week, in spite of various external applications and internal remedies. The blood clotted freely on the dressings, but the wound edges continued to weep until the child was almost exsanguinated. The bleeding gradually stopped after a week, and the baby regained his strength and color.

On July 27, 1912, at the age of 15 months, he fell and cut his tongue on his teeth. The cut was only as wide as two teeth, and was not deeper than a third the thickness of the tongue. I was called on the 28th and found that the tongue had oozed all night, and that the


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