Age, sex, and social trends in out-of-hospital cardiac deaths in Scotland 1986-95: a retrospective cohort study. - Capewell, Simon; MacIntyre, Kate; Stewart, Simon; Chalmers, Jim W T; Boyd, James; Finlayson, Alan; Redpath, Adam; Pell, Jill P; McMurray, John J V (Lancet, 2001)