RT Journal Article SR Electronic T1 Subungual malignant melanoma JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 909 OP 909 DO 10.1503/cmaj.140554 VO 187 IS 12 A1 Stephan Braun A1 Peter Gerber YR 2015 UL http://www.cmaj.ca/content/187/12/909.abstract