1. Glasziou P, Irwig L, Bain C, Colditz G: Systematic reviews in health care: A practical guide. Cambridge: Cambridge University Press. 2001
2. Deeks J: Systematic reviews of evaluations of diagnostic and screening tests. In: Systematic Reviews in Health Care: Meta-analysis in context. Edited by: Egger M, Davey Smith G, Altman D. 2001, London: BMJ Publishing Group, Second edition
3. Whiting P, Rutjes A, Dinnes J, Reitsma JB, Bossuyt P, Kleijnen J: A systematic review of existing quality assessment tools used to assess the quality of diagnostic research. submitted
4. Streiner DL, Norman GR: Health measurement scales: a practical guide to their development and use. Oxford: Oxford University Press. 1995
5. Jadad AR, Moore A, Carroll D, Jenkinson C, Reynolds DJ, Gavaghan DJ, McQuay HJ: Assessing the quality of reports of randomised clinical trials: is blinding necessary?. Control Clin Trials. 1996, 17: 1-12. 10.1016/0197-2456(95)00134-4.