Breast cancer: importance of tumor markers. Research, Society and Development, [S. l.], v. 12, n. 6, p. e5012641945, 2023. DOI: 10.33448/rsd-v12i6.41945. Disponível em: https://www.rsdjournal.org/rsd/article/view/41945. Acesso em: 6 dec. 2025.