(Q35920947)
Statements
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Mass immunization campaign in El Salvador, 1969. Evaluation of receptivity and recommendation for future campaigns (English)
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Mass Immunization Campaign in El Salvador, 1969: Evaluation of Receptivity and Recommendation for Future Campaigns (English)
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N. Lin
R. Hingson
J. Allwood-Paredes
1 December 1971
1 reference
1 reference
1112-1121
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1 reference
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Identifiers
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1 reference