RT Journal Article SR Electronic T1 Environmental tobacco smoke and prevalent coronary heart disease among never smokers in the Scottish MONICA surveys JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 790 OP 792 DO 10.1136/oem.2003.009167 VO 61 IS 9 A1 Chen, R A1 Tavendale, R A1 Tunstall-Pedoe, H YR 2004 UL http://oem.bmj.com/content/61/9/790.abstract AB