Fernandez-Sanchez, F. I., M. Barrio-Lopez, L. A. Quintela-Arias, J. J. Becerra-Gonzalez, A. I. Peña-Martinez, D. Martinez-Bello, P. J. Garcia-Herradon, and C. C. Perez-Marín. “Use of Endometrial Cytology and Metabolic Profiles for Selection of Embryo Donor Cows”. Spanish Journal of Agricultural Research, Vol. 12, no. 3, July 2014, pp. 664-71, doi:10.5424/sjar/2014123-4948.