Aspirin for the older person: report of a meeting at the Royal Society of Medicine, London, 3rd November 2011. - Armitage, J.; Cuzick, J.; Elwood, P.; Longley, M.; Perkins, A.; Spencer, K.; Turner, H.; Porch, S.; Lyness, S.; Kennedy, J.; Henderson, G. N. (Ecancermedicalscience, 2012)