Smallpox and its eradication
| अन्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Geneva
World Health Organization
c1988.
|
| श्रृंखला: | History of international public health, no.6
|
| विषय: |
| अन्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Geneva
World Health Organization
c1988.
|
| श्रृंखला: | History of international public health, no.6
|
| विषय: |