IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-9-27400 Original Research Paper LOW-DOSE ANTICOAGULATION IN PATIENTS WITH MECHANICAL HEART VALVES - A RETROSPECTIVE STUDY SANJEEV PANDIAN.R Dr. DR NEDUNCHEZHIAN. V. Dr. September 2020 9 9 01 02