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Ainsworth, J. D. and Carruthers, E. and Crouch, P. and Green, N. and O'Flaherty, M. and Sperrin, M. and Williams, R. and Asghar, Zahid and Capewell, S. and Buchan, I. E. (2011) IMPACT: a generic tool for modelling and simulating public health policy. Methods of Information in Medicine, 50 (5). pp. 454-463. ISSN 0026-1270
Asghar, Zahid and Coupland, Carol and Siriwardena, Niro (2014) Influenza vaccination and risk of stroke: self-controlled case-series study. In: 42nd North American Primary Care Research Group (NAPCRG) Annual Meeting, 21-25 November 2014, New York.