(Q36630791)
Statements
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A second controlled field trial of a serogroup A meningococcal polysaccharide vaccine in Alexandria (English)
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M. H. Wahdan
S. A. Sallam
M. N. Hassan
A. Abdel Gawad
A. S. Rakha
J. E. Sippel
R. Hablas
W. R. Sanborn
N. M. Kassem
S. M. Riad
1 January 1977
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645-651
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Identifiers
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1 reference