Kurniawati, E. M., R. Rahmatyah, V. Lie, and A. Rheza. “Pregnancy With Early Latent Syphilis, a Reality in 21st Century: a Case Report and Literature Review”. Medical and Health Science Journal, vol. 6, no. 1, Feb. 2022, pp. 41-46, doi:10.33086/mhsj.v6i1.2412.