Toxoplasma gondii infection in rats by the RH strain: inoculum and age effects C. De Champs, H. Pelloux, P. Dechelotte, J.C. Giraud, N. Bally and P. Ambroise-Thomas Parasite, 5 3 (1998) 215-218 Published online: 19 September 2014 DOI: 10.1051/parasite/1998053215