Cryopreservation effects on canine sperm morphometric variables and ultrastructure: Comparison between vitrification and conventional freezing

1. Cerdeira, J.
2. Sánchez-Calabuig, M.J.
3. Pérez-Gutiérrez, J.F.
4. Hijon, M.
5. Castaño, C.
6. Santiago-Moreno, J.