title: Letter: Salivary antibody response to oral vaccine.
mesh_terms: D000906:Antibodies / Q000032:analysis*; D001424:Bacterial Infections / Q000517:prevention & control; D001428:Bacterial Vaccines; D006801:Humans; D012463:Saliva / Q000276:immunology*
chemical_list: D000906:Antibodies; D001428:Bacterial Vaccines