RT Journal Article SR Electronic T1 Epidemiological modelling of routine use of low dose aspirin for the primary prevention of coronary heart disease and stroke in those aged ⩾70 JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 144 OP 144 VO 92 IS 1 A1 Nelson, Mark R A1 Liew, Danny A1 Bertram, Melanie A1 Vos, Theo YR 2006 UL http://heart.bmj.com/content/92/1/144.abstract AB