MARKOVA, I.; NIKOLOV, A.; MARKOV, P. Twin Pregnancy: Delivery and Complications. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 30, n. 2, p. 241–250, 2016. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6495. Acesso em: 3 jul. 2024.