Stallion sperm selection prior to freezing using a modified colloid swim-up procedure without centrifugation

1. Hidalgo, M.
2. Ortiz, I.
3. Dorado, J.
4. Morrell, J.M.
5. Gosálvez, J.
6. Consuegra, C.
7. Diaz-Jimenez, M.
8. Pereira, B.
9. Crespo, F.