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://www.nepjol.info/index.php/NJOG/article/view/32919. Acesso em: 8 dec. 2025.