A second controlled field trial of a serogroup A meningococcal polysaccharide vaccine in Alexandria

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Citation
Wahdan, M. H., Sallam, S. A., Hassan, M. N., Abdel Gawad, A., Rakha, A. S. et al. (1977). A second controlled field trial of a serogroup A meningococcal polysaccharide vaccine in Alexandria. Bulletin of the World Health Organization, 55 (6), 645 - 651. https://apps.who.int/iris/handle/10665/261135
Journal
Bulletin of the World Health Organization, 55 (6): 645 - 651PMID
413639413639