Weekly Epidemiological Record, 1989, vol. 64, 21 [full issue]
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World Health Organization. (1989). Weekly Epidemiological Record, 1989, vol. 64, 21 [full issue]. Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire, 64 (21), 157 - 164. https://iris.who.int/handle/10665/227168
Journal
Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire, 64 (21): 157 - 164Language
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