KETEFIAN, S. Ethical considerations in research. Focus on vulnerable groups. Investigación y Educación en Enfermería, [S. l.], v. 33, n. 1, 2015. DOI: 10.17533/udea.iee.21901. Disponível em: https://revistas.udea.edu.co/index.php/iee/article/view/21901. Acesso em: 22 jan. 2025.