[Some problems of epidemiologic research in psychosocial diseases].
D005859:Germany, East; D006801:Humans; D009497:Neurotic Disorders / Q000453:epidemiology*; D011602:Psychophysiologic Disorders / Q000453:epidemiology*; D011613:Psychotherapy; D012931:Social Environment
Zu einigen Problemen epidemiologischer Untersuchungen psychosozialer Erkrankungen.