Effect of Standardized Warfarin Treatment Protocol on Anticoagulant Effect: Comparison of a Warfarin Medication Therapy Adherence Clinic with Usual Medical Care. - Aidit S; Soh YC; Yap CS; Khan TM; Neoh CF; Shaharuddin S; Kassab YW; Patel RP; Ming LC (Frontiers in pharmacology, 2017)