Survey measures demand for alcohol/drug rehab.
D003625:Data Collection; D006301:Health Services Needs and Demand / Q000706:statistics & numerical data*; D006801:Humans; D016320:Substance Abuse Treatment Centers / Q000706:statistics & numerical data*; D019966:Substance-Related Disorders / Q000453:epidemiology / Q000534:rehabilitation*; D014481:United States / Q000453:epidemiology