RT Journal Article SR Electronic T1 Les cancers orphelins et nos obligations morales JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 299 OP 299 DO 10.1503/cmaj.070022 VO 176 IS 3 A1 Conrad V. Fernandez YR 2007 UL http://www.cmaj.ca/content/176/3/299.abstract