Trigal, B., E. Gómez, C. Díez, J. N. Caamaño, M. Muñoz, J. F. Moreno, S. Carrocera, D. Martín, F. Goyache, and I. Álvarez. “Comparative Study of PCR-Sexing Procedures Using Bovine Embryos Fertilized With Sex-Sorted Spermatozoa”. Spanish Journal of Agricultural Research, Vol. 10, no. 2, Apr. 2012, pp. 353-9, doi:10.5424/sjar/2012102-447-11.