title: Chain-of-custody errors can quickly undermine the case in court.
authors.forename: D G
authors.initials: DG
authors.lastname: Evans
mesh_terms: D006801:Humans; D009786:Occupational Health Services; D013048:Specimen Handling; D015813:Substance Abuse Detection / Q000331:legislation & jurisprudence*; D019966:Substance-Related Disorders