Use of a serum-free medium to produce in vitro Neospora caninum and Toxoplasma gondii tachyzoites on Vero cellsFrançois De Meerschman, Chantal Rettigner, Charles Focant, Raphael Boreux, Christian Pinset, Thierry Leclipteux and Bertrand LossonaVet. Res., 33 2 (2002) 159-168DOI: https://doi.org/10.1051/vetres:2002004