[Necessity and role of geriatric health services].
Ouchi
Yasuyoshi
Y
D000368:Aged; D000369:Aged, 80 and over; D004501:Education, Medical; D015577:Geriatric Assessment; D005853:Geriatrics / Q000193:education / Q000639:trends; D006299:Health Services for the Aged / Q000639:trends; D006801:Humans; D010351:Patient Discharge; D011322:Primary Prevention