GUPTA, R. Spontaneous pneumoperitoneum: Discerning from radiological imaging. Journal of Neonatal Surgery, Lahore, Pakistan, v. 10, p. 6, 2021. DOI: 10.52783/jns.v10.930. Disponível em: https://www.jneonatalsurg.com/index.php/jns/article/view/930. Acesso em: 21 may. 2025.