Ultrastructural studies of sarcocystis cruzi (Hasselmann,1926) Wenyon, 1926 infection in cattle (Bos Taurus): Philippine casesF.G Claveria, Lim.R San-Pedro, M.J Cruz-Flores, H. Nagasawa, N. Suzuki and C. De la PeñaParasite, 8 3 (2001) 251-254DOI: https://doi.org/10.1051/parasite/2001083251