Chatfield Sn; Strahan K; Pickard D; Charles Ian; Hormaeche Ce; Dougan G
(Academic Press Ltd, 1992)
Derivatives of the mouse-virulent Salmonella typhimurium strain SL1344 were constructed harbouring defined mutations in htrA, aroA or htrA aroA combined. When administered orally or intravenously to BALB/c mice, all the ...