[12] Rettie AE，Wienkers LC， Gonzalez FJ，et al. Impaired (S)-warfarin metabolism catalysed by the R144C allelic variant of CYP2C9[J]. Pharmacogenetics， 1994，4(1)：39-42.

    [13] Lindh JD， Holm L，Andersson ML，et al. Influence of CYP2C9 genotype on warfarin dose requirements： a systematic review and meta-analysis[J]. Eur J Clin Pharmacol ......