RT Journal Article SR Electronic T1 Defining high risk JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 482 OP 482-a DO 10.1503/cmaj.110-2021 VO 182 IS 5 A1 Jain, Venu YR 2010 UL http://www.cmaj.ca/content/182/5/482.2.abstract