Search
Now showing items 1-1 of 1
Cocaine and benzoylecgonine in saliva, serum, and urine
(American Association for Clinical Chemistry: Clinical Chemistry, 1993-03-01)
We studied the feasibility of using saliva to detect cocaine and benzoylecgonine. Saliva was collected as an ultrafiltrate directly in the mouth with an osmotic device. We analyzed by immunoassay matched samples of urine, ...