Isolates of Sarcocystis falcatula-like organisms from South American opossums Didelphis marsupialis and Didelphis albiventris from São Paulo, Brazil - Dubey, J. P.; Lindsay, D. S.; Rosenthal, B. M.; Kerber, C. E.; Kasai, Nobuko; Pena, Hilda Fátima de Jesus; Kwork, O. C. H.; Shen, S. K.; Gennari, Solange Maria (Journal of Parasitology, 2001)