title: [Problems of the development of morbidity in East Germany from 1967 to 1984].
mesh_terms: D000041:Absenteeism; D000328:Adult; D000368:Aged; D003430:Cross-Sectional Studies; D005859:Germany, East; D006801:Humans; D008875:Middle Aged; D009017:Morbidity
vernacular_title: Probleme der Krankenstandsentwicklung in der DDR im Zeitraum von 1967 bis 1984.