Goyal, Dr. Ruchika, Dr. K. Meena Anand, and Dr. David K. 2011. “Root Coverage With Free Rotated Papilla Autograft Using Envelop Technique: Gingival Recession”. National Journal of Integrated Research in Medicine 2 (4):117-20. http://nicpd.ac.in/ojs-/index.php/njirm/article/view/1954.