Tierney, J. F., Fisher, D. J., Burdett, S., Stewart, L. A., & Parmar, M. K. B. (2020). Comparison of aggregate and individual participant data approaches to meta-analysis of randomised trials: An observational study. PLoS Med.

Tierney, Jayne F., David J. Fisher, Sarah Burdett, Lesley A. Stewart, i Mahesh K. B. Parmar. "Comparison of Aggregate and Individual Participant Data Approaches to Meta-analysis of Randomised Trials: An Observational Study." PLoS Med 2020.

Tierney, Jayne F., et al. "Comparison of Aggregate and Individual Participant Data Approaches to Meta-analysis of Randomised Trials: An Observational Study." PLoS Med 2020.