Head, M. G., Fitchett, J. R., Cooke, M. K., Wurie, F. B., Hayward, A. C., Lipman, M. C., & Atun, R. (2014). Investments in respiratory infectious disease research 1997–2010: A systematic analysis of UK funding. BMJ Publishing Group.

Head, Michael G., Joseph R. Fitchett, Mary K. Cooke, Fatima B. Wurie, Andrew C. Hayward, Marc C. Lipman, et Rifat Atun. Investments in Respiratory Infectious Disease Research 1997–2010: A Systematic Analysis of UK Funding. BMJ Publishing Group, 2014.

Head, Michael G., et al. Investments in Respiratory Infectious Disease Research 1997–2010: A Systematic Analysis of UK Funding. BMJ Publishing Group, 2014.