C:\Inetpub\vhosts\jcdr.net\httpdocs\citationmgr\Papers.risTY - Journal T1 - Comparative Evaluation of Gingival Depigmentation using Tetrafluoroethane Cryosurgery and Gingival Abrasion Technique: Two Years Follow Up JF -jf JO - JCDR SP - 389 LP - M3 - VL - 7 IS - 2 AU - AU - Y1 - Year UR - www.jcdr.net/back_issues.asp?issn=0973-709x&year=2013&month=February&volume=7&issue=2&page=389-394&id=2779 N2 - ER -