RT Journal Article SR Electronic T1 Origins of Regional Differences in Mortality from Ischaemic Heart Disease in Finland JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 476 OP 476 DO 10.1136/jech.50.4.476 VO 50 IS 4 A1 John W G Yarnell YR 1996 UL http://jech.bmj.com/content/50/4/476.1.abstract AB