RT Journal Article SR Electronic T1 Harlequin colour change: unilateral erythema in a newborn JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E801 OP E801 DO 10.1503/cmaj.092038 VO 182 IS 17 A1 Judy Tang A1 James Bergman A1 Joseph M. Lam YR 2010 UL http://www.cmaj.ca/content/182/17/E801.abstract