Does performing preplacement workplace hair drug testing influence US Department of Transportation random and postaccident urine drug test positivity rates? - Price JW.

BACKGROUND: Does performing pre-employment hair drug testing subsequently affect the prevalence of positive random and postaccident urine drug tests? METHODS: This cross-sectional study was designed to evaluate the prevalence of positive postaccident and r...

Source: SafetyLit - January 22, 2018 Category: International Medicine & Public Health Tags: Alcohol and Other Drugs Source Type: news