Bell KJL, Hayen A, Macaskill P, Craig JC, Neal BC, Irwig L. Mixed models showed no need for initial response monitoring after starting anti-hypertensive therapy. Journal of Clinical Epidemiology. 2009; 62(6): 650-9

Bell KJL, Hayen A, Macaskill P, Irwig L, Craig JC, Ensrud K, Bauer DC. Value of routine monitoring of bone mineral density after starting bisphosphonate treatment: secondary analysis of trial data. BMJ. 2009;338(232)

Bell K, Irwig L, Craig J, Macaskill P. Use of randomised trials to decide when to monitor response to new treatment. BMJ 2008:336;361-365.

Bell K, Craig J.C, Irwig L. Chapter 6, "Monitoring the initial response to treatment". Evidence-Based Medical Monitoring: from Principles to Practice. Glaxziou P, Aronson J, Irwig L. (eds). Massachusetts, Blackwell Publishing, 2008:75-89.