A Survey of Drug Use among Probationurs in the Los Angeles Area in 1976

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Abstract
The results were presented from the analysis of 10,000 urine specimens from Los Angeles County [California, USA] probationers [human] in early 1976 for the following drug: amphetamine, methamphetamine, allylbarbital, amobarbital, butabarbital, pentobarbital, phenobarbital, secobarbital, morphine, codeine, methadone, primary metabolite of methadone, cocaine, benzoylecgonine, propoxyphene, norpropoxyphene, methaqualone and phencyclidine. Over 27% of the urine samples analyzed were positive for at least 1 drug. Opiates were the most widely used drugs, but multiple drug use was quite common.

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