Williams, P.A., et al. “Crystal structure of human cytochrome P450 2C9 with bound warfarin.” Nature 424, no. 6947 2003: 464-468. DOI: 10.1038/nature01862.

Williams, P.A., et al. “Crystal structure of human cytochrome P450 2C9 with bound warfarin.” Nature 424, no. 6947 2003: 464-468. DOI: 10.1038/nature01862.