title: [The problem of longevity].
mesh_terms: D000368:Aged; D000375:Aging; D005260:Female; D005860:Germany, West; D006801:Humans; D007352:Insurance, Life; D008017:Life Expectancy; D008136:Longevity; D008297:Male; D008875:Middle Aged
vernacular_title: Zum Problem der Langlebigkeit.