LETKIEWICZ, Sławomir. A Criterion for Determining Legal and Ethical Boundaries in Medical Research With Regard to Realizing the Constitu-tional Principle of Sustainable Development. Problemy Ekorozwoju, [S. l.], v. 4, n. 2, p. 49–60, 2009. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4690. Acesso em: 22 jul. 2024.