Ott, R.S., Lock, T.L., Brodie, B.O., Memon, M.A. and Mansfield, M.E. 1980. A Field investigation of the effect of 5 mg PGF2α given intravenously to cycling beef cows and heifers. The Bovine Practitioner. 1980, 15 (Nov. 1980), 25. DOI:https://doi.org/10.21423/bovine-vol1980no15p25.