THE EFFECT OF OESTROGENS ALONE OR IN ASSOCIATION WITH PROGESTAGENS ON THE FORMATION AND REGRESSION OF THE CORPUS LUTEUM OF THE CYCLIC COW Meredith LEMONAnn. Biol. anim. Bioch. Biophys., 15 2 (1975) 243-253DOI: https://doi.org/10.1051/rnd:19750211