History of epidemiologic methods-- cohort studies.
- Author:
Ying QIN
1
;
Si-Ting ZHAN
;
Li-ming LI
Author Information
- Publication Type:Journal Article
- MeSH: China; Cohort Studies; History, 19th Century; History, 20th Century; Humans
- From: Chinese Journal of Epidemiology 2004;25(5):449-451
- CountryChina
- Language:Chinese