World smallpox situation, 1967-1977 / Smallpox Eradication Unit, WHO, HQ
عرض/ افتح
الإستشهاد
World Health Organization. Smallpox Eradication Unit. (1980). World smallpox situation, 1967-1977 / Smallpox Eradication Unit, WHO, HQ. World Health Organization. https://iris.who.int/handle/10665/68332
الوصف
SME/80.93 p.