Alcohol and drug problems in the workplace.
D000041:Absenteeism; D000437:Alcoholism / Q000150:complications / Q000534:rehabilitation*; D003362:Cost-Benefit Analysis; D006801:Humans; D009784:Occupational Diseases / Q000534:rehabilitation*; D009786:Occupational Health Services; D019966:Substance-Related Disorders / Q000150:complications / Q000534:rehabilitation*