title: [Preventive and care activities for chronic patients: a challenge for health services in the 21st century].
authors.forename: M A
authors.initials: MA
authors.lastname: Mayer
mesh_terms: D000368:Aged; D002908:Chronic Disease / Q000628:therapy*; D003695:Delivery of Health Care / Q000592:standards; D006801:Humans; D011315:Preventive Medicine; D014611:Vaccination