Pérez Durand, Manuel Guido, et al. “Factors Affecting Pregnancy Rate in Recipients of Embryos Produced in Vitro under High Altitude Conditions”. Revista De Investigaciones Veterinarias Del Perú, vol. 33, no. 3, June 2022, p. e22897, https://doi.org/10.15381/rivep.v33i3.22897.