Prasanna Ramesh. “Usage of E-Polytetrafluoroethylene (e-PTFE) Membrane for Managing Trabeculectomy Flap- Related Over-Filtration Due to Unavailability of Scleral Patch Graft During Nation-Wide Lockdown”. Global Journal of Medical Research, vol. 21, no. F7, May 2021, pp. 1-11, doi:10.34257/GJMRFVOL21IS7PG1.