HOTA, T.; MISRA, S. Pelvic organ prolapse quantification system: to valsalva or not to valsalva while measuring genital hiatus (GH) and perineal body (PB). International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 6, n. 5, p. 1843–1847, 2017. DOI: 10.18203/2320-1770.ijrcog20171534. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/2673. Acesso em: 8 nov. 2025.