Jones, L; Griffin, S; Palmer, S; Main, C; Orton, V; Sculpher, M; Sudlow, C; Henderson, R; Hawkins, N; Riemsma, R; (2004) Clinical effectiveness and cost-effectiveness of clopidogrel and modified-release dipyridamole in the secondary prevention of occlusive vascular events: A systematic review and economic evaluation. Health technology assessment (Winchester, England), 8 (38). iii-iv, 1-196. ISSN 1366-5278 https://researchonline.lshtm.ac.uk/id/eprint/2545583