Influence of CYP2C9 and VKORC1 on Patient Response to Warfarin: A Systematic Review and Meta-Analysis Jorgensen, Andrea L. ; FitzGerald, Richard J. ; Oyee, James ; Pirmohamed, Munir ; Williamson, Paula R. Abstract Publication: PLoS ONE Pub Date: August 2012 DOI: 10.1371/journal.pone.0044064 Bibcode: 2012PLoSO...744064J