Smallpox = Variole

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Citation
World Health Organization. (1926). Smallpox = Variole. Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire, 01 (10), 3. https://apps.who.int/iris/handle/10665/237145
Journal
Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire, 01 (10): 3Language
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