TY - JOUR T1 - True blue: a puzzling case of persistent cyanosis in a young child JF - Canadian Medical Association Journal JO - CMAJ SP - 734 LP - 737 DO - 10.1503/cmaj.070109 VL - 180 IS - 7 AU - Michelle Porepa AU - Lee Benson AU - David E. Manson AU - Jeremy N. Friedman Y1 - 2009/03/31 UR - http://www.cmaj.ca/content/180/7/734.abstract ER -