False positive reactions - Open Access .click

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False-Positive Reactions Among Narcotic Addicts

JAMA, 1961
To the Editor:— I have noted the article inThe Journal, Jan. 28, 1961, entitled "Biologic False-Positive Reactions for Syphilis Among Narcotic Addicts," in which the following sentence appears: The high proportion of non-reactive TPI tests among narcotic addicts with no history of syphilis and reactive STS provides direct evidence that certain drugs ...
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Biologic False Positive Reactions for Syphilis

Southern Medical Journal, 1961
J M, KNOX, M B, MOORE
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[The "false-positive" patch test reaction].

Dermatosen in Beruf und Umwelt. Occupation and environment, 1988
If a positive patch test reaction occurs in the absence of sensitization to a certain antigen, we call it a false positive reaction. There may be several reasons for this: impurities of the test substances, too high a concentration, wrong choice of test location and reading time; positive reactions against test vehicle, or adhesive tape, nonspecific ...
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False-positive "Phenistix" Reaction

BMJ, 1964
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"Albustix": False-positive Reactions

BMJ, 1961
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False-Positive Hemoccult Reaction Caused by Betadine

New England Journal of Medicine, 1984
J L, Orchard, R, Lawson
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False positive reactions in dialysis patients

Transfusion, 1977
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False-positive Serologic Reactions Induced by Disinfectant