RT Journal Article SR Electronic T1 Sickle cell disease JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E201 OP E201 DO 10.1503/cmaj.111475 VO 184 IS 3 A1 Edwin Bölke A1 Axel Scherer YR 2012 UL http://www.cmaj.ca/content/184/3/E201.abstract