SEASONAL VARIATION IN THE OESTROGEN INDUCED LH DISCHARGE OF OVARIECTOMIZED FINNISH LANDRACE AND SCOTTISH BLACKFACE EWES R. B. LAND, A. G. WHEELER and W. R. CARRAnn. Biol. anim. Bioch. Biophys., 16 4 (1976) 521-528DOI: https://doi.org/10.1051/rnd:19760402