REKLEWSKA, B.; TYSZKA, Z. J.; NIZNIKOWSKI, R. Plasma progesterone concentration during oestrus cycle and pregnancy in Finnsheep and other prolific sheep breeds. Agricultural and Food Science, [S. l.], v. 60, n. 6, p. 554–556, 1988. DOI: 10.23986/afsci.72310. Disponível em: https://journal.fi/afs/article/view/72310. Acesso em: 5 jul. 2024.