Psychotherapy, psychiatric epidemiology and health services.
D003156:Community Mental Health Services / Q000639:trends*; D003430:Cross-Sectional Studies; D005260:Female; D006301:Health Services Needs and Demand / Q000639:trends; D006801:Humans; D008297:Male; D009497:Neurotic Disorders / Q000453:epidemiology*; D011602:Psychophysiologic Disorders / Q000453:epidemiology*; D011613:Psychotherapy / Q000639:trends*; D014481:United States