Hi guys, Welcome to the Advanced Video Search Engine, and you are watching CPIC guideline for Warfarin, CYP2C9, CYP4F2, VKORC1 and rs12777823. That video is uploaded by PharmGKB at 2021-05-28T13:06:53-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [H1YSwhPUbbg]