Abstract
This article was published in Chinese Journal of Rural Health Management.
| Original language | American English |
|---|---|
| Journal | Chinese Journal of Rural Health Management |
| State | Published - 1993 |
Disciplines
- Public Health
Jian Zhang, Y. L. Gong
Research output: Contribution to journal › Article › peer-review
| Original language | American English |
|---|---|
| Journal | Chinese Journal of Rural Health Management |
| State | Published - 1993 |