Prevalence of Toxoplasma gondii infection in Belgian house cats., De Craeye, Stéphane, Francart Aurélie, Chabauty Julie, De Vriendt Veerle, Van Gucht Steven, Leroux Ingrid, and Jongert Erik , Vet Parasitol, 2008 Oct 20, Volume 157, Issue 1-2, p.128-32, (2008)