Impact of polypharmacy and P-glycoprotein- and CYP3A4-modulating drugs on safety and efficacy of oral anticoagulation therapy in patients with atrial fibrillation - Harskamp, R E; Teichert, M; Lucassen, W AM; van Weert, H CPM; Lopes, R D (Cardiovasc Drugs Ther, 2019)