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Biologically false positive slow reactions.

Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 2010
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A novel, minimally invasive diagnostic test for KIT exon 11 internal tandem duplications in canine cutaneous mast cell tumours I: Assay development

Evans JO, Hill LS, Beck S, Edmunds G, Dobromylskyj M, Tornillo G, Smalley MJ.   +6 more
europepmc   +1 more source

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False-Positive Alkaloid Reactions

Journal of Pharmaceutical Sciences, 1980
A variety of nonnitrogenous oxygenated compounds gave false-positive alkaloid reactions with Dragendorff's spray reagent. These compounds reacted positively if the oxygen function and the β-carbon bonded to the oxygen had high electron density. Thus, aldehydes, ketones, lactones, ethers, esters, epoxides, and peroxides with an ethylene bond or free ...
exaly   +3 more sources

FALSE POSITIVE SCHICK REACTIONS [PDF]

Journal of the American Medical Association, 1950
To the Editor:— In their article on false positive reactions to the Schick test (J. A. M. A. 142 :390 [Feb. 11] 1950) Cohen, Schneck and Dubow reported that comparison of results of Schick tests with circulating diphtheria antitoxin in 114 young women revealed 51 of 52 specimens of blood from Schicknegative subjects contained more than 0.01 unit of ...
Robert C. Hahn
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BIOLOGICAL FALSE-POSITIVE REACTIONS [PDF]

Archives of Dermatology, 1966
To the Editor: In their recent article, Kwittken and Goldberg (Arch Derm93:177, 1966) considered their patient's weakly reactive venereal disease research laboratory test for syphilis (VDRL) and complement fixation tests to be biologic false-positive (BFP) reactions.
Cecil Sigal
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FALSE-POSITIVE SEROLOGICAL REACTIONS IN VIRUS PNEUMONIA

Lancet, The, 1954
A, ALLISON, A, DICK
exaly   +3 more sources

Biologic False-Positive Reactions for Syphilis

JAMA: The Journal of the American Medical Association, 1968
To the Editor:— The problem posed ( 203 :996, 1968) regarding a 54-year-old housewife with a reactive fluorescent Treponemal antibody test merits an expanded discussion particularly of the possibility of a biologic false-positive (BFP) reaction. Syphilis is the great mimic, and we of the Osler tradition recall, "When it comes to syphilis, suspect your
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The Frequency and Identification of False Positive Conversion Reactions

The Journal of Nervous and Mental Disease, 1979
The frequency with which conversion reaction diagnoses are inappropriately applied to persons with physical diseases was estimated in a sample of medical hospital patients diagnosed hysteric. This was accomplished by ratings based on file information available at the time of diagnosis and at a 10-year follow"up, and a count of patients whose ...
C G, Watson, C, Buranen
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