title: Third-party drug-test providers continue to grow nationwide.
authors.forename: Dennis
authors.initials: D
authors.lastname: Grantham
mesh_terms: D004651:Employment; D006801:Humans; D020416:Outsourced Services / Q000706:statistics & numerical data*; D015813:Substance Abuse Detection / Q000706:statistics & numerical data*; D014481:United States