[Scientific evidence in geriatrics and gerontology].
Nikolaus
Th
T
D000368:Aged; D019317:Evidence-Based Medicine / Q000639:trends*; D005544:Forecasting; D005853:Geriatrics / Q000639:trends*; D005858:Germany; D006301:Health Services Needs and Demand / Q000639:trends; D006801:Humans; D011157:Population Dynamics