RT Journal Article SR Electronic T1 Pandemic preparedness: begin at the source JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1309 OP 1310 DO 10.1503/cmaj.051411 VO 173 IS 11 A1 Barbara Sibbald YR 2005 UL http://www.cmaj.ca/content/173/11/1309.abstract