A. A. Medina Martinez, E. B. Barrios De Giménez, V. R. Zelada López, and Z. M. González Cáceres, “Impact of Trivalent Viral Vaccination on the Incidence of Measles, Rubella, and Mumps in Paraguay, 2020-2025”, SAP Primary Care, vol. 2, p. 149, May 2026, doi: 10.62486/pc2026149.