1. World Health Organization . Clinical Trials. www.who.int/topics/clinical_trials/en/ Date last accessed: March 22, 2018.
2. International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) . Integrated addendum to ICH E6(R1): Guideline for Good Clinical Practice E6(R2). Current Step 4 version. Available from: www.ich.org/products/guidelines/efficacy/article/efficacy-guidelines.html Date last updated: November 9, 2016. Date last accessed: March 22, 2018.
3. European Commission . Ethical Review in FP7. Guidance for Applicants: Informed Consent. 2013. http://ec.europa.eu/research/participants/data/ref/fp7/89807/informed-consent_en.pdf
4. The ethics of clinical trials;Nardini;Ecancermedicalscience,2014
5. Informed consent in clinical research: revisiting few concepts and areas;Gupta;Perspect Clin Res,2013