ESTADOS UNIDOS. Department of Health and Human Services. Public Health Service. Alcohol, Drug Abuse, and Mental Health Administration
Employee drug screening : detection of drug use by urinalysis : q[uestion] & a[nswer] / J. Michael Walsh, Richard L. Hawks . - Maryland : National Institute on Drug Abuse, 1986 . - 13 p.; 22 cm . - DHHS Publication
DETECÇÃO DE DROGA / ANÁLISE DE VESTÍGIOS / EMPREGO / AVALIAÇÃO DO PESSOAL /