Weekly Epidemiological Record, 1977, vol. 52, 21 [full issue]

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Citation
World Health Organization. (1977). Weekly Epidemiological Record, 1977, vol. 52, 21 [full issue]. Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire, 52 (21), 177 - 184. https://apps.who.int/iris/handle/10665/221377
Journal
Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire, 52 (21): 177 - 184Language
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