Gálvez Calla, Luis H., Mirtha Roque Alcarraz, Jorge Villavicencio Gastelú, Marieta Petkova Gueorguieva, and Marco Madrid Chumacero. 2006. “Pastures Anti-A Therapy. Product (2d Part)”. Odontología Sanmarquina 9 (2): 3-7. https://doi.org/10.15381/os.v9i2.5343.