FAROOQ, N.; ROGHANI, P.; AFZA, N.; SALEEM, A.; FAROOQ, A. Frequency of Obstetrical Anal Sphincter Injuries in Nulliparous Women Undergoing Normal Vaginal Delivery in Tertiary Care Hospital at Khyber Pakhtunkhwa: OASI in Nulliparous Women Undergoing Normal Vaginal Delivery . Pakistan Journal of Health Sciences, Pakistan, v. 6, n. 3, p. 241–245, 2025. DOI: 10.54393/pjhs.v6i3.2756. Disponível em: https://thejas.com.pk/index.php/pjhs/article/view/2756. Acesso em: 24 apr. 2025.