Sheldon, M., Sheldon, I. M., Williams, E. J., Miller, A. N., Nash, D. M., & Herath, S. (2008). Uterine diseases in cattle after parturition. The Veterinary Journal, 176(1), pp. 115-121. doi:10.1016/j.tvjl.2007.12.031

Sheldon, Martin, I. Martin Sheldon, Erin J. Williams, Aleisha N.A Miller, Deborah M. Nash, and Shan Herath. "Uterine Diseases in Cattle After Parturition." The Veterinary Journal 176, no. 1 (2008): 115-121.

Sheldon, Martin, et al. "Uterine Diseases in Cattle After Parturition." The Veterinary Journal 176.1 (2008): 115-121.