Cantín, Mario. “World Medical Association Declaration of Helsinki: Ethical Principles for Medical Research Involving Human Subjects. Reviewing the Latest Version”. International Journal of Medical and Surgical Sciences 1, no. 4 (December 1, 2014): 339–346. Accessed December 22, 2024. https://revistas.uautonoma.cl/index.php/ijmss/article/view/216.