Ethical issues of randomized controlled trials. Bangladesh Journal of Bioethics, [S. l.], v. 5, n. 1, p. 1–4, 2014. DOI: 10.3329/bioethics.v5i1.18441. Disponível em: https://www.banglajol.info/index.php/BIOETHICS/article/view/18441. Acesso em: 4 jul. 2026.