Additional links to content, to act as supplements in your studies and provide a broader scope of information.
Harden, A., Garcia, J., Oliver, S. et al. (2004). Applying systematic review methods to studies of people's views: an example from public health research. Journal of Epidemiology and Community Health, 58, 794–800.
Prinz, F., Schlange, T. & Asadullah, K. (2011). Believe it or not: how much can we rely on published data on potential drug targets? Nature Reviews Drug Discovery, 10, 712–712.
Walker, E., Hernandez, A.V. & Kattan, M.W. (2008). Meta-analysis: Its strengths and limitations. Cleveland Clinic Journal of Medicine, 75, 431–439.