The Lancet · 1980 · 75 citations · 12 references
Veterinary MedicineInfectious Disease ControlInfectious DiseasesImmunizationInfection PreventionVaccinologyBacterial InfectionsInfectious Disease PreventionVaccinationVaccination PolicyVaccine PolicyVaccine-preventable DiseasesMeningitis Infection Control
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A controlled field trial of a serogroup A meningococcal polysaccharide vaccine.
Wahdan Mh, Farag Rizk, el-Akkad Am et al. · PubMed · 1973 · 137 citations