Campbell, N. C., McNiff, C., Sheran, J., Brittenden, J., Lee, A. J., & Ritchie, L. D. (2007). Targeted screening for peripheral arterial disease in general practice: A pilot study in a high risk group. Oxford University Press.

Campbell, Neil C., Caroline McNiff, Jane Sheran, Julie Brittenden, Amanda J. Lee, and Lewis D. Ritchie. Targeted Screening for Peripheral Arterial Disease in General Practice: A Pilot Study in a High Risk Group. Oxford University Press, 2007.

Campbell, Neil C., et al. Targeted Screening for Peripheral Arterial Disease in General Practice: A Pilot Study in a High Risk Group. Oxford University Press, 2007.