Smallpox and its eradication
| 其他作者: | |
|---|---|
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Geneva
World Health Organization
c1988.
|
| 叢編: | History of international public health, no.6
|
| 主題: |
| 其他作者: | |
|---|---|
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Geneva
World Health Organization
c1988.
|
| 叢編: | History of international public health, no.6
|
| 主題: |