Shakeel, I., Shabbir, A., Yumn, L., Akhtar, M., Khan, E., & Khan, A. A. (2024). 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, 13(8), 1961–1967. https://doi.org/10.18203/2320-1770.ijrcog20242059