SONOGRAPHIC ESTIMATION OF UMBLICAL CORD CROSS-SECTION AREA AND ITS CORRELATION WITH PERINATAL OUTCOME. Journal of Pharmaceutical Negative Results, [S. l.], p. 2332–2339, 2022. Disponível em: https://pnrjournal.com/index.php/home/article/view/4323.. Acesso em: 8 jun. 2026.