Evaluation of smallpox vaccination policy*
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引用
Arita, I. & Breman, J. G. (1979). Evaluation of smallpox vaccination policy*. Bulletin of the World Health Organization, 57 (1), 1 - 9. https://iris.who.int/handle/10665/261856
期刊
Bulletin of the World Health Organization, 57 (1): 1 - 9PubMed文章识别码
218745218745