Experimental challenge models for Johne's disease: a review and proposed international guidelines.

Hines 2nd, M.E.; Stabel, J.R.; Sweeney, R.W.; Griffin, F.; Talaat, A.M.; Bakker, D.; Benedictus, G.; Davis, W.C.; de Lisle, G.W.; Gardner, I.A.; Juste, R.A.; Kapur, V.; Koets, A.P.; McNair, J.; Pruitt, G.; Whitlock, R.H.