Thema
Aged, 80 and over
397
Journal Article
397
Aged
292
Aged 80 and over
164
aged 80 and over
119
Research Support, Non-U.S. Gov't
104
Humans
97
Adult
94
Female
87
Middle Aged
84
Male
77
aged
61
aged, 80 and over
57
Mortality
51
Medicine & Public Health
40
Medicine
37
Review
37
医药卫生科技
37
医药、卫生
36
Age Factors
32
Dementia
31
R
31
Aged, 80 And Over
29
Demographic Factors
29
Geriatrics
29
Population
29
Population Characteristics
29
Aging
28
Quality of life
27
老年人,80以上
26
Multicenter Study
25
内科学
24
Systematic Review
23
Population Dynamics
22
Prognosis
22
Treatment Outcome
22
Adolescent
21
Observational Study
21
Young Adult
21
Case Reports
20
Developed Countries
20
Aged,80 and over
19
Comparative Study
19
Retrospective Studies
19
Surgery
19
Cognition
18
Frail elderly
18
Older people
18
Risk Factors
18
Germany
16
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