RT Journal Article SR Electronic T1 Cellphone contact dermatitis with nickel allergy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 23 OP 24 DO 10.1503/cmaj.071233 VO 178 IS 1 A1 Lionel Bercovitch MD A1 John Luo YR 2008 UL http://www.cmaj.ca/content/178/1/23.abstract