Hawley, Jamie, Jeremy G. Powell, Elizabeth B. Kegley, Rick W. Rorie, and Patrick C. Taube. 2020. “The Efficacy of Norgestomet Implants on Performance and Preventing Pregnancy in Grazing Postpubertal Beef Heifers”. The Bovine Practitioner 54 (1):30-35. https://doi.org/10.21423/bovine-vol54no1p30-35.