• 1
    Allen C, Clarke M. International activity in Cochrane Review Groups with particular reference to China. Chinese Journal of Evidence-based Medicine 2006; 6(8): 54145.
  • 2
    Allen C, Clarke M, Tharyan P. International activity in The Cochrane Collaboration with particular reference to India. National Medical Journal of India 2007; 20: 2505.
  • 3
    Mallett S, Clarke M. How many Cochrane reviews are needed to cover existing evidence on the effects of healthcare interventions? Evidence Based Medicine 2003; 8: 1001.
  • 4
    Moher D, Tetzlaff J, Tricco AC, Sampson M, Altman D. Epidemiology and reporting characteristics of systematic reviews. PLoS Medicine 2007; 4(3): e78.