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Browsing Research Articles (Chemical Pathology) by UP Author "Laurens, Johannes B."
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Oosthuizen, Nicholette M.; Laurens, Johannes B.
(Royal Society of Medicine Press, 2012-03)
BACKGROUND: It has been known for some time that the antiretroviral drug, efavirenz (EFV), cross-reacts in urine immunoassays for tetrahydrocannabinol (THC). Because published studies investigating this phenomenon are ...