Nelson, S. J., Charlett, A., Orr, H. J., Barker, R. M., Neal, K. R., Taylor, C., . . . Stuart, J. M. (2001). Risk factors for meningococcal disease in university halls of residence. Cambridge University Press.

Nelson, S. J., A. Charlett, H. J. Orr, R. M. Barker, K. R. Neal, C. Taylor, P. N. Monk, M. R. Evans, و J. M. Stuart. Risk Factors for Meningococcal Disease in University Halls of Residence. Cambridge University Press, 2001.

Nelson, S. J., et al. Risk Factors for Meningococcal Disease in University Halls of Residence. Cambridge University Press, 2001.