1. Retraction Watch database, 2 Apr 2020. https://retractiondatabase.org/
2. Thomas K, Ornstein C. Top cancer doctor, forced out over ties to drug makers, joins their ranks. New York Times 2019 Jan 7. https://www.nytimes.com/2019/01/07/health/baselga-sloan-kettering-astrazeneca.html
3. International Committee of Medical Journal Editors. Recommendations for the conduct, reporting, editing, and publication of scholarly work in medical journals. 2019. http://www.icmje.org/icmje-recommendations.pdf
4. The Oligopoly of Academic Publishers in the Digital Era
5. Open access: The true cost of science publishing