참고문헌
- Mendes RE. 2012. Ruminant: Anatomy, Behavior and Diseases. Chapter 7. Freemartinism in Cattle. Nova Science Publishers. pp. 99-120.
- Padula AM. 2005. The freemartin syndrome: an update. Anim. Reprod. Sci. 87: 93-109. https://doi.org/10.1016/j.anireprosci.2004.09.008
- Remnant JR, Lea RG, Allen CE, Huxley JN, Robinson RS and Brower AI. 2014. Novel gonadal characteristics in an aged bovine freemartin. Anim. Reprod. Sci. 146: 1-4. https://doi.org/10.1016/j.anireprosci.2014.02.011