Design and evaluation of sustained release mucoadhesive film of sumatriptan succinate containing grafted co-polymer as the platform oleh Surajpal Verma, Rajiv Kumar Tonk, Mohammed Albratty, Hassan Ahmad Alhazmi, Asim Najmi, Ravi Kumar, Mohit Kumar, Mohamad Taleuzzaman, Gourav Swami, Md Shamsher Alam