Santos, R.V. dos, Pereira, A.R.R., Lima, C.R.O. de P., Dantas, D. de S. and Ferreira, C.W.S. 2021. Perineal trauma in nulliparous women and its associated factors. ABCS Health Sciences. 46, (Nov. 2021), e021224. DOI:https://doi.org/10.7322/abcshs.2020047.1496.