Combining heterogenous studies using the random-effects model is a mistake and leads to inconclusive meta-analyses

Al Khalaf, M. M., Thalib, L., & Doi, S. A. R. (2011, February). Combining heterogenous studies using the random-effects model is a mistake and leads to inconclusive meta-analyses. Journal of Clinical Epidemiology. https://doi.org/10.1016/j.jclinepi.2010.01.009