title: [Reduction of the number of features used in an epidemiological study of psychoneurotic diseases].
mesh_terms: D005163:Factor Analysis, Statistical; D005859:Germany, East; D006801:Humans; D009497:Neurotic Disorders / Q000175:diagnosis / Q000453:epidemiology*; D011795:Surveys and Questionnaires
vernacular_title: Merkmalsreduktion in einer epidemiologischen Untersuchung psychonervaler Erkrankungen.