Contamination of pigs by nose-to-nose contact or airborne transmission of Salmonella TyphimuriumKarine Proux, Roland Cariolet, Philippe Fravalo, Catherine Houdayer, André Keranflech and François MadecVet. Res., 32 6 (2001) 591-600DOI: https://doi.org/10.1051/vetres:2001148