00492nam a2200109Ia 4500008004100000245017200041260005500213260000900268300000700277650001300284856008500297170516s9999    xx            000 0 und d  aEffect of vitamin K2 on the anticoagulant activity of warfarin during the perioperative period of catheter ablation: Population analysis of retrospective clinical data  bJournal of Pharmaceutical Health Care and Sciences  c2016  a2:  xPharmacy  uhttps://jphcs.biomedcentral.com/articles?query=&volume=2&searchType=&tab=keyword