RT Journal Article SR Electronic T1 Gum hypertrophy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 471 OP 471 DO 10.1503/cmaj.080424 VO 180 IS 4 A1 Krishna Gundabolu MD A1 Guanghui Kong, MD PhD A1 Amit Verma MD YR 2009 UL http://www.cmaj.ca/content/180/4/471.abstract