RT Journal Article SR Electronic T1 Necrotizing Pseudomonas chondritis after piercing of the upper ear JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 819 OP 821 DO 10.1503/CMAJ.100018 VO 183 IS 7 A1 Todd C. Lee A1 Wayne L. Gold YR 2011 UL http://www.cmaj.ca/content/183/7/819.abstract