RT Journal Article SR Electronic T1 Biopeptides and immune exclusion JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 65 OP 66 DO 10.1503/cmaj.1050178 VO 174 IS 1 A1 Sujoy Khan YR 2006 UL http://www.cmaj.ca/content/174/1/65.2.abstract