RT Journal Article SR Electronic T1 Managing low-grade cervical lesions JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 813 OP 813-a DO 10.1503/cmaj.1050206 VO 174 IS 6 A1 Burn, Robert YR 2006 UL http://www.cmaj.ca/content/174/6/813.2.abstract