Ungerfeld R, Sanchez-Davila F. Oestrus synchronization in postpartum autumn-lambing ewes: effect of postpartum time, parity, and early weaning. Span. j. agric. res. [Internet]. 2012Jan.24 [cited 2024May18];10(1):62-8. Available from: https://sjar.revistas.csic.es/index.php/sjar/article/view/1723