Fatoohi AF, Cozon GJN, Wallon M, Kahi S, Gay-Andrieu F, Greenland T, Peyron F. Cellular Immunity to Toxoplasma gondii in Congenitally Infected Newborns and Immunocompetent Infected Hosts. European Journal of Clinical Microbiology & Infectious Diseases. 2003 Mar 04;22(3):181–4. doi: 10.1007/s10096-003-0903-9.