IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-6-35434 Original Research Paper Management of gingival recession using a modified two–stage approach with de–epithelialized gingival graft and pouch and tunnel with bi–layered A–PRF membrane Divya Dhingra Dr. Dr. Shanta Giri S Dr. Dr. D S Mehta Dr. June 2021 10 6 01 02