“Field Study of the Effects of Zeranol, Implanted at the Time of Breeding, on Weight Gain and Pregnancy Rate of Beef Heifers”. The Bovine Practitioner 1983, no. 18 (November 1, 1983): 104–106. Accessed November 22, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/2489.