Hagag, H. M., Alam-Eldin, Y. H., Mahmoud, M. K., Ismail, K. A., Abdulaziz, A. M., Khalifa, A. M., & Khalifa, O. M. (2019). Perinuclear halo indicate Trichomonas vaginalis in Pap smear. Archives of Biotechnology and Biomedicine, 3(1), 001–005. https://doi.org/10.29328/journal.abb.1001013