1. Assessment of frequency and reporting of design changes among clinical drug trials published in influential medical journals;Shepshelovich;Eur J Intern Med,2019
2. The evolution of clinical trials: can we address the challenges of the future?;Eichler;Clin Trials,2018
3. EMA website “ICH E8 General considerations for clinical studies.”.
4. EMA website “Scientific advice and protocol assistance”.
5. EMA website “Clinical data publication”.