TESTS for blood in the stool vary in sensitivity; it is generally agreed that the unmodified benzidine test gives a positive reaction if the patient has eaten meat, but the guaiac test is not ...
This article is intended chiefly as a review of the one contributed by Dr. Whitney to the Boston Medical and Surgical Journal, Jan. 18, 1909, in which it is stated that the guaiac test was not a test ...
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