RT Journal Article SR Electronic T1 The Koebner phenomenon: psoriasis in tattoos JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 585 OP 585 DO 10.1503/cmaj.111299 VO 185 IS 7 A1 Salvador Arias-Santiago A1 María José Espiñeira-Carmona A1 José Aneiros-Fernández YR 2013 UL http://www.cmaj.ca/content/185/7/585.abstract