title: [Study of the long-term needs of the aged of the Echallens district].
mesh_terms: D000368:Aged; D005260:Female; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006299:Health Services for the Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D011637:Public Health Nursing; D012424:Rural Population; D013557:Switzerland
vernacular_title: Etude sur les besoins à long terme chez les personnes âgées du district d'Echallens.