Urzúa González E, Valdés Pérez L Ángel, Garza A, Mapes G, Gutiérrez CG, Hernández-Cerón J. Pregnancy rate in dairy cows treated with human chorionic gonadotropin five days after insemination. Austral j vet sci [Internet]. 14 de junio de 2017 [citado 23 de enero de 2026];49(2):119-22. Disponible en: http://146.83.217.169/index.php/australjvs/article/view/482