RT Journal Article SR Electronic T1 Secondhand smoke exposure assessed using serum cotinine: associations with myocardial infarction, stroke and cardiovascular risk factors in adult men and women JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 92 OP 92 DO 10.1136/jech.2009.096735n VO 63 IS Suppl 2 A1 B. J. Jefferis A1 G. D. O. Lowe A1 P. Welsh A1 D. A. Lawlor A1 S. Ebrahim A1 S. G. Wannamethee A1 D. G. Cook A1 P. H. Whincup YR 2009 UL http://jech.bmj.com/content/63/Suppl_2/92.abstract AB