title: [Changes in opportunities to participate in the transitional period from middle to old age].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008875:Middle Aged; D012380:Role; D012737:Sex Factors
vernacular_title: Veränderung von Teilnahmechancen im Ubergang von den mittleren zu den höheren Jahren.