RT Journal Article SR Electronic T1 Public–private partnerships, part 2: calculations of risk JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 991 OP 994 DO 10.1503/cmaj.081633 VO 179 IS 10 A1 Ann Silversides YR 2008 UL http://www.cmaj.ca/content/179/10/991.abstract