IFN-gamma expression and infectivity of Toxoplasma infected tissues are associated with an antibody response against GRA7 in experimentally infected pigs36581, Verhelst, D., Dorny Pierre, Melkebeek V., Goddeeris B., Cox E., and Jongert E. , Vet.Parasitol., 30/6/2011, Volume 179, Issue 1-3, Number 21, p.14 - 21, (2011)