Sabo, Marlis, Fatima Mahdi, and Marcia Clark. “Emerging Barrier to Timely Care of Hip Fracture Patients: A Prospective Study of Direct Oral Anticoagulation and Time to Surgery”. Canadian Journal of General Internal Medicine 13, no. 4 (October 16, 2018): e6-e9. Accessed April 26, 2019. http://cjgim.ca/index.php/csim/article/view/272.