RT Journal Article SR Electronic T1 Pneumococcal vaccination and myocardial infarction JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 319 OP 319 DO 10.1503/cmaj.1080120 VO 180 IS 3 A1 Skowronski, Danuta M. A1 Janjua, Naveed Z. A1 Hottes, Travis S. A1 Patrick, David M. A1 De Serres, Gaston YR 2009 UL http://www.cmaj.ca/content/180/3/319.1.abstract