title: [Studies of the course of cycloid psychoses].
mesh_terms: D000293:Adolescent; D000328:Adult; D002031:Bulgaria; D005500:Follow-Up Studies; D006801:Humans; D008875:Middle Aged; D011618:Psychotic Disorders / Q000453:epidemiology*; D012559:Schizophrenia / Q000453:epidemiology*; D012621:Seasons; D013997:Time Factors
vernacular_title: Untersuchungen über den Verlauf zykloider Psychosen.