Pizelli, Gelio Nogueira, Paulo Graça Araújo, Mauro Ribeiro de Carvalho, Osvaldo de Almeida Resende, and Luiz Ferreira de Carvalho. “Effect of Estrogen on Fertility of Apparently Normal Cows”. Pesquisa Agropecuaria Brasileira 8, no. 6 (April 15, 2014): 9–11. Accessed July 6, 2026. https://apct.sede.embrapa.br/pab/article/view/17332.