Olivas Calderón, E. H., Facio Campos, R. A., Puente Valenzuela, C. O., & Sosa Gutiérrez, J. A. (2026). Blood lead levels in child population from Velardeña, Durango: a preliminary study. Acta Universitaria, 36, 1-9. https://doi.org/10.15174/au.2026.4766