Liu, J.-Q., Zhao, S.-Y., Wang, X.-J., Liu, Y.-H., Li, X.-X., Li, Y.-H., Xu, Z.-Q. and Yu, X.-L. 2023. Effects of Different Vitrification Temperatures and Cryoprotective Agent Concentrations on Ultrastructure and Apoptosis Related Proteins in Bovine GV Stage Oocytes. Proceedings of the Bulgarian Academy of Sciences. 76, 5 (May 2023), 810–818. DOI:https://doi.org/10.7546/CRABS.2023.05.18.