title: Dr. Barry Sample of Quest Diagnostics discusses with Medscape Editor Dr. George Lundberg trends of illicit drug use by American workers in 2007 as shown by workplace drug testing: cocaine use is down. Interview by George D. Lundberg.
authors.forename: R H
authors.initials: RH
authors.lastname: Barry Sample
mesh_terms: D000328:Adult; D019970:Cocaine-Related Disorders / Q000453:epidemiology; D004651:Employment / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D013287:Illicit Drugs / Q000009:adverse effects*; D015994:Incidence; D008297:Male; D008875:Middle Aged; D015813:Substance Abuse Detection / Q000379:methods*; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology; D017132:Workplace / Q000706:statistics & numerical data*
chemical_list: D013287:Illicit Drugs