Artikkelit - Selaus tekijän mukaan "Obaro S"
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Salivary antibody response to vaccination with meningococcal A/C polysaccharide vaccine in previously vaccinated and unvaccinated Gambian children
Nurkka A; MacLennan J; Jäntti V; Obaro S; Greenwood B; Käyhty H
Vaccine : 4-5 (2000)