DAS, P.; SAHA, R.; BHATTACHARYYA, S.; BASU, S. P.; DAS, D. Diagnostic accuracy of transabdominal ultrasound in respect to transvaginal ultrasound in diagnosing ectopic pregnancy in a tertiary care hospital of Kolkata taking histopathology as gold standard: a prospective study. International Journal of Research in Medical Sciences, [S. l.], v. 9, n. 7, p. 1965–1969, 2021. DOI: 10.18203/2320-6012.ijrms20212517. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/9768. Acesso em: 14 oct. 2025.