RT Journal Article SR Electronic T1 Global IDEA JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1538 OP 1539 DO 10.1503/cmaj.1050072 VO 172 IS 12 A1 Prabhat Jha A1 David Brown A1 Nico Nagelkerke A1 Arthur S. Slutsky A1 Dean T. Jamison YR 2005 UL http://www.cmaj.ca/content/172/12/1538.2.abstract