PT - JOURNAL ARTICLE AU - Jain, Venu TI - Defining high risk AID - 10.1503/cmaj.110-2021 DP - 2010 Mar 23 TA - Canadian Medical Association Journal PG - 482--482-a VI - 182 IP - 5 4099 - http://www.cmaj.ca/content/182/5/482.2.short 4100 - http://www.cmaj.ca/content/182/5/482.2.full SO - CMAJ2010 Mar 23; 182