To Study Obstetric Complications in Twin Pregnancy. Journal of Pharmaceutical Negative Results, [S. l.], p. 892–896, 2023. DOI: 10.47750/pnr.2023.14.S01.125. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/7673.. Acesso em: 3 jun. 2026.