title: Therapeutic drugs and drugs of abuse in the era of the drug-free workplace. Proceedings of a symposium. Haight Ashbury Free Medical Clinics, May 1990, San Francisco.
mesh_terms: D004358:Drug Therapy; D004777:Environment; D006801:Humans; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology; D014937:Work