RT Journal Article SR Electronic T1 Acquired reactive perforating collagenosis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E184 OP E184 DO 10.1503/cmaj.091185 VO 182 IS 4 A1 Alexander Kreuter A1 Thilo Gambichler YR 2010 UL http://www.cmaj.ca/content/182/4/E184.abstract