Johnson Kylie; Charles Ian; Dougan G; Miller Ia; Pickard D; Ogoara P; Costa G; Ali T; Hormaeche Ce
(Editions Scientifiques Elsevier, 1990)
We have utilised the transposon TnphoA to generate Salmonella typhimurium mutants of reduced virulence when given orally to mice (Miller et ai., 1989). S. typhimurium 014 and 046 are two such attenuated derivatiees of the ...