Souza, Maria Inês Lenz, Luis Fernando Uribe-Velásquez, Eunice Oba, Ocilon Gomes de Sá Filho, and Alcides de Amorim Ramos. 2008. “OVARIAN STEROIDS SECRETION, IN BEEF CROSSBREED EWES, AT DISTINCT MOMENTS OF YEAR, IN SÃO PAULO STATE”. Brazilian Animal Science/ Ciência Animal Brasileira 9 (4). Goiânia:1107-13. https://doi.org/10.5216/cab.v9i4.1461.