Ortiz-Serrano, R., Herrera-Galindo, V. M., & Acuña-Padilla, C. (2014). Frequency of nontreponemal testing (VDRL) and prevalence of test reactivity in patients with miscarriage at Hospital Local del Norte in Bucaramanga, Colombia. Revista Colombiana De Obstetricia Y Ginecología, 65(1), 16–21. https://doi.org/10.18597/rcog.73