title: [Between good news and concern: how to face demographic aging?].
authors.forename: C
authors.initials: C
authors.lastname: Büla
authors.forename: J P
authors.initials: JP
authors.lastname: Michel
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005853:Geriatrics; D006801:Humans; D011157:Population Dynamics; D013557:Switzerland