Mellado, M., L. Gaytán, U. Macías-Cruz, L. Avendaño, C. Meza-Herrera, E. A. Lozano, Álvaro Rodríguez, and J. Mellado. “Effect of Climate and Insemination Technique on Reproductive Performance of Gilts and Sows in a Subtropical Zone of Mexico”. Austral Journal of Veterinary Sciences, vol. 50, no. 1, Jan. 2018, pp. 27-34, doi:10.4067/S0719-81322018000100106.