RT Journal Article SR Electronic T1 Sickle cell disease JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.111475 DO 10.1503/cmaj.111475 A1 Bölke, Edwin A1 Scherer, Axel YR 2011 UL http://www.cmaj.ca/content/early/2011/12/19/cmaj.111475.abstract AB