L. V., S. Premature Birth is an Unsolved Problem of the 21st Century. European Multidisciplinary Journal of Modern Science, [S. l.], v. 9, p. 21–26, 2022. Disponível em: https://emjms.academicjournal.io/index.php/emjms/article/view/730. Acesso em: 18 may. 2024.