[Epidemiological problems in geriatrics]
Zhonghua Liu Xing Bing Xue Za Zhi
.
1982 Dec;3(6):375-8.
[Article in Chinese]
Author
S C Li
PMID:
6985249
No abstract available
MeSH terms
Age Factors
Aged
Cross-Sectional Studies
Geriatrics*
Humans
Longitudinal Studies
Prospective Studies