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Can Med Assoc J. 1974 Aug 3;111(3):235-7.

Evaluation of four slide test kits for the detection of human chorionic gonadotropin in urine.

Abstract

Three "indirect-type" slide tests utilizing the principle of hemagglutination inhibition and one new "direct-type" slide test employing direct agglutination were evaluated for their sensitivity in detecting human chorionic gonadotropin (HCG) in urine. The results of positive tests in a group of woman in very early pregnancy were correlated with the "days after last menses". In this series the direct slide test was the most accurate. A control must be used with each direct test to indicate interfering substances and when such are present a different test must be used. All tests were found to be of the relative sensitivity stated by the manufacturer.

PMID:
4851924
PMCID:
PMC1947655
[Indexed for MEDLINE]
Free PMC Article

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