Cran, D. G., L. A. Johnson, and N. G. A. Miller. 2019. “Production of Bovine Calves Following Separation of X- and Y- Chromosome Bearing Sperm and In Vitro”. The Bovine Practitioner 1993 (27):143-44. https://doi.org/10.21423/bovine-vol1993no27p143-144.