2008l-094 2009c-716 addictive alcoholism analysis behavior biologicalspecimens bodyfluids chromatography diagnosis drugmonitoring drugs drugsandemployment drugsofabuse drugtesting employeediscipline employees forensicpharmacology forensictoxicology genetics hv5823 jurisprudence labordiscipline lawandlegislation legislation legistlation liquid liquidchromatography massspectrometry methods nonprescriptiondrugs pharmaceuticalpreparations postmortemchanges qv55f432004 specimenhandling streetdrugs substance-relateddisorders substanceabuse toxicology unitedstates w750d7942008 wm274