1. The mucosal immune system;McGhee,2004
2. Mucosal vaccines: an overwiew;Boyaka,2007
3. Induction of secretory immunity and memory at mucosal surfaces;Brandtzaeg;Vaccine,2007
4. Biological activities of IgA;Russell,2007
5. Local immune response to repeated topical antigen application in the simian labial mucosa;Nair;Infect Immun,1983