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 Jefferis, B. J. A1 Lowe, G. D. O. A1 Welsh, P. A1 Lawlor, D. A. A1 Ebrahim, S. A1 Wannamethee, S. G. A1 Cook, D. G. A1 Whincup, P. H. YR 2009 UL http://jech.bmj.com/content/63/Suppl_2/92.abstract AB