Here to help: annual PHP activity report.
Gray
Roland W
RW
D001519:Behavior; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology / Q000628:therapy; D009786:Occupational Health Services / Q000706:statistics & numerical data*; D010815:Physician Impairment / Q000706:statistics & numerical data*; D012955:Societies, Medical; D019966:Substance-Related Disorders / Q000453:epidemiology / Q000628:therapy; D013714:Tennessee / Q000453:epidemiology