Witkin, S. S. (2022) “lnfluence of human papillomavirus infection and sexual intercourse on endocervical epithelial cell immune activity”, Brazilian Journal of Sexually Transmitted Diseases. Niterói, 11(5), p. 21–24. Disponível em: https://bjstd.org/revista/article/view/351 (Acessado: 5 dezembro 2025).