McGivan, J. D., Skinner, T. M., Doran (nee Udovikova), O., Haley, C. S., & Archibald, A. L. (2005). Cloning and mapping of the porcine cytochrome-p450 2E1 gene and its association with skatole levels in the domestic pig. Animal Genetics, 36(5), 417-422. https://doi.org/10.1111/j.1365-2052.2005.01342.x