Salmonella enterica serovar Choleraesuis derivatives harbouring deletions in rpoS and phoP regulatory genes as vehicles for DNA vaccines

1. Bartolomé, A.
2. Herrero-Gil, A.
3. Horcajo, P.
4. Orden, J.A.
5. de la Fuente, R.
6. Domínguez-Bernal, G.