SHAKEEL, I.; SHABBIR, A.; YUMN, L.; AKHTAR, M.; KHAN, E.; KHAN, A. A. Prevalence and diagnostic efficacy of trans-abdominal and trans-vaginal ultrasound for ectopic pregnancies: a longitudinal study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 13, n. 8, p. 1961–1967, 2024. DOI: 10.18203/2320-1770.ijrcog20242059. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/14288. Acesso em: 11 nov. 2025.