Contaminates Drugs Recreational Drugs Toxins Cocaine No high as such but confidence, Effects of Use Burdens Benefits Drug Testing References Metadata Created: 2026-09-14 Last Updated: 2026-09-14 Hadland SE, Levy S. Objective Testing: Urine and Other Drug Tests. Child Adolesc Psychiatr Clin N Am. 2016 Jul;25(3):549-65. doi: 10.1016/j.chc.2016.02.005. Epub 2016 Mar 30. PMID: 27338974; PMCID: PMC4920965. ↩