DUNG, T. N.; LONG, T. B.; DUNG, L. Q.; VINH, N. T. T.; PHAN, N. D. Results of surgical treatment of anal sphincter injury following vaginal delivery at Hanoi Medical University Hospital: a case series report. Tạp chí Nghiên cứu Y học, [S. l.], v. 148, n. 12, p. 146-151, 2021. DOI: 10.52852/tcncyh.v148i12.381. Disponível em: https://tapchinghiencuuyhoc.vn/index.php/tcncyh/article/view/381. Acesso em: 27 tháng 9. 2022.