title: Letter regarding article by Connolly et al, "Challenges of establishing new antithrombotic therapies in atrial fibrillation".
authors.forename: Michael D
authors.initials: MD
authors.lastname: Ezekowitz
authors.forename: Rangadham
authors.initials: R
authors.lastname: Nagarakanti
mesh_terms: D000818:Animals; D001281:Atrial Fibrillation / Q000188:drug therapy*; D015507:Drugs, Investigational / Q000627:therapeutic use*; D005343:Fibrinolytic Agents / Q000627:therapeutic use*; D006801:Humans; D014859:Warfarin / Q000627:therapeutic use
chemical_list: D015507:Drugs, Investigational; D005343:Fibrinolytic Agents; D014859:Warfarin