title: Typhoid vaccine studies; the suitability of Vi antigen as an auxiliary immunogen for typhoid vaccine; progress report.
authors.forename: G F
authors.initials: GF
authors.lastname: LUIPPOLD
mesh_terms: D006801:Humans; D058028:Research Report; D014435:Typhoid Fever; D014436:Typhoid-Paratyphoid Vaccines
chemical_list: D014436:Typhoid-Paratyphoid Vaccines