Baca Cano, R., Osorio Zapata, H., Matute Moreno, A. J., & Matus Lacayo, G. S. (2009). Seroprevalence of HIV / AIDS in pregnant women from the city of Chinandega - Nicaragua. Universitas (León) , 3(1), 34–38. https://doi.org/10.5377/universitas.v3i1.1659