Manzoor, Mohammad, et al. “Correlation Between Histopathological Findings, CD4 Counts, and Treponeme Quantity in Microscopic Sections and Secondary Syphilis in HIV Positive Individuals”. Pakistan BioMedical Journal, vol. 5, no. 1, Jan. 2022, pp. 253-6, https://doi.org/10.54393/pbmj.v5i1.320.