Bortolozzo, Fernando Pandolfo, Ivo Wentz, Guilherme Brandt, and Antônio Lourenço Guidoni. 2000. “Reproductive Performance of Sows Submitted to Uterine Infusions in the Beginning of Oestrus”. Pesquisa Agropecuaria Brasileira 35 (3):623-29. https://doi.org/10.1590/S1678-3921.pab2000.v35.5812.