Effendi, Ida, Yeva Rosana, Andi Yasmon, and Wresti Indriatmi. 2018. “Multiplex Nested Polymerase Chain Reaction for Treponema Pallidum Using Blood Is More Sensitive Than Using Serum”. Universa Medicina 37 (1):75-84. https://doi.org/10.18051/UnivMed.2018.v37.75-84.