CHAKRABORTY, M. K.; GAINDER, S.; SAHA, S. C.; BAGGA, R. A novel approach in non-surgical management of tubal ectopic: combination of minimally invasive technique under ultrasound guidance with systemic methotrexate based on initial beta-HCG levels. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 7, p. 2606–2612, 2021. DOI: 10.18203/2320-1770.ijrcog20212331. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/10363. Acesso em: 4 dec. 2025.