M. Ali

Framework for the synthesis of non-randomised studies and randomised controlled trials: a guidance on conducting a systematic review and meta-analysis for healthcare decision making

Grammati Sarri, Elisabetta Patorno, Hongbo Yuan, 2020, BMJ Evidence-Based Medicine.

Real‐World Evidence: What It Is and What It Can Tell Us According to the International Society for Pharmacoepidemiology (ISPE) Comparative Effectiveness Research (CER) Special Interest Group (SIG)

J. Guo, J. Lund, J. Slaughter, 2018, Clinical pharmacology and therapeutics.