Evolution of the corpus luteum volume determined ultrasonographically and its relation to the plasma progesterone concentration after artificial insemination in pregnant and non-pregnant dairy cows

1. Gómez-Seco, C.
2. Alegre, B.
3. Martínez-Pastor, F.
4. Prieto, J.G.
5. González-Montaña, J.R.
6. Alonso, M.E.
7. Domínguez, J.C.