Mechanical Mitral Valve Prosthesis: Should The INR Be above 2 when the aspirin is added to the oral anticoagulation?

Citation:
Mechanical Mitral Valve Prosthesis: Should The INR Be above 2 when the aspirin is added to the oral anticoagulation?, Mahmoud, Ashraf Fawzy, Ali Hossam Fathy, and mohamed el anwar , Journal Of The Egyptian Society Of Cardio-Thoracic Surgery, Volume 25, Issue 4, p.285-288, (2017)