Safety and efficacy of direct oral anticoagulants in comparison to warfarin in obese patients with atrial fibrillation: A systematic review and meta‐analysis oleh Alla Adelkhanova, Prakash Raj Oli, Dhan Bahadur Shrestha, Jurgen Shtembari, Vivek Jha, Ghanshyam Shantha, George Michael Bodziock, Monodeep Biswas, Muhammad Omer Zaman, Nimesh K. Patel