[Of old people.....].
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Nederlands Tijdschrift voor Geneeskunde, Postbus 75.971, 1070 AZ Amsterdam.
D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000523:psychology*; D005852:Geriatric Psychiatry; D005853:Geriatrics / Q000379:methods / Q000592:standards; D006801:Humans; D011787:Quality of Health Care; D011932:Reading