title: Addressing the health needs of frail elderly people: Ontario's experience with an integrated health information system.
authors.forename: John P
authors.initials: JP
authors.lastname: Hirdes
mesh_terms: D000369:Aged, 80 and over; D016330:Frail Elderly; D015577:Geriatric Assessment; D006299:Health Services for the Aged; D006801:Humans; D020380:Needs Assessment; D009864:Ontario; D040442:Public Health Informatics; D018511:Systems Integration