RT Journal Article SR Electronic T1 Allergic contact dermatitis to paraphenylendiamine in hair dye after sensitization from black henna tattoos: a report of 6 cases JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 445 OP 446 DO 10.1503/cmaj.061109 VO 176 IS 4 A1 Fara Redlick A1 Joel DeKoven YR 2007 UL http://www.cmaj.ca/content/176/4/445.abstract