JHA, Rani; SHAH, Ankur; JHA, Shailesh Kumar. Ultrasonography findings in first trimester vaginal bleeding. Nepal Journal of Obstetrics and Gynaecology, [S. l.], v. 15, n. 2, 2020. Disponível em: https://nepjol.info./index.php/NJOG/article/view/32919. Acesso em: 27 apr. 2025.