. . . . "Alcohol and drug abuse provisions in major collective bargaining agreements in selected industries" . . . . . . . . . "Alcohol an drug abuse provisions in major collective bargaining agreements in selected industries" . . . . . . . . . . . . . . "Substance Abuse Detection United States." . . "Drogues et travail États-Unis." . . "Collective Bargaining United States." . . "Personnel Programmes d'aide États-Unis." . . "Occupational Health Services United States." . . "Substance-Related Disorders rehabilitation United States." . . . . "Alcoolisme et travail États-Unis." . .