Assessment of oral mucosal integrity status in patients with recurrent aphthous stomatitis oleh Sriram Kaliamoorthy, Ramalingam Sathishmuthukumar, Keerthanasri Chidambaram, Paranthaman Srinivasan, Mahendirakumar Nagarajan, Rajkumar Selvakumar, Vikneshan Murugaboopathy