title: [Principles of preparations for an active old age].
mesh_terms: D000368:Aged; D005260:Female; D005853:Geriatrics; D005859:Germany, East; D006266:Health Education; D006801:Humans; D008297:Male; D009017:Morbidity; D012917:Social Adjustment; D013222:State Medicine
vernacular_title: Grundlagen der Vorbereitung auf ein aktives Alter