RT Journal Article SR Electronic T1 Oral field cancerization JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1622 OP 1622 DO 10.1503/cmaj.110172 VO 183 IS 14 A1 Giulio Fortuna A1 Michele D. Mignogna YR 2011 UL http://www.cmaj.ca/content/183/14/1622.abstract AB