Weekly Epidemiological Record, 1997, vol. 72, 22 [full issue]
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World Health Organization. (1997). Weekly Epidemiological Record, 1997, vol. 72, 22 [full issue]. Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire, 72 (22), 157 - 164. https://iris.who.int/handle/10665/230153
期刊
Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire, 72 (22): 157 - 164语言
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