C. G. Camacho Herrera, R. D. L. Sanchez, N. O. Garcia, and K. E. A. Bibiano, “Pelvic inflammatory disease by actinomyces: report of 1 case and review of the literature”, Int J Reprod Contracept Obstet Gynecol, vol. 9, no. 2, pp. 804–808, Jan. 2020.