Hurst, Robert J., and John J. McGlone. “Androstenone Aerosol and Azaperone Injection Influence on Pig Aggressive and Submissive Behaviors”. Texas Journal of Agriculture and Natural Resources 3 (November 8, 2016): 52–53. Accessed April 30, 2024. https://txjanr.agintexas.org/index.php/txjanr/article/view/299.