[Epidemiological study of neurosis in 12 districts of China].
D000293:Adolescent; D000328:Adult; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009497:Neurotic Disorders / Q000453:epidemiology*; D011897:Random Allocation; D012494:Sampling Studies; D012737:Sex Factors