Filho, W. L. T.; Cardozo, S. V.; Lopes, C. W. G. VIABILITY AND MORPHOBIOLOGY OF Cystoisospora Ohioensis (DUBEY, 1975) FRENKEL, 1977 (APICOMPLEXA: CYSTOISOSPORINAE) OOCYSTS SHED BY DOGS EXPERIMENTALLY INFECTED. Braz. J. Vet. Med. 2010, 32, 161-165.