Cacko, Andrzej. “ Ethics-Based Medicine, about Ethics in Clinical Trials ? Part 1”. Medycyna Faktow (J EBM) 3, no. 4(9) (December 31, 2010): 78-81. Accessed November 13, 2026. https://www.journalsmededu.pl/index.php/jebm/article/view/2567.