Mellado, M., M. I. Chávez, U. Macías-Cruz, L. Avendaño-Reyes, E. Carrillo, and J. E. García. “Prevalence and Risk Factors for Stillbirths in Holstein Cows in a Hot Environment”. Spanish Journal of Agricultural Research, Vol. 15, no. 2, July 2017, p. e0403, doi:10.5424/sjar/2017152-10293.