Vargas-González, O. N., O. S. Vega-Díaz, J. F. Maza-León, and A. R. Sánchez-Quinche. “Determination of Antibiotics in Eggs from Laying Hens (Gallus Gallus Domesticus) Sold in the City of Machala, Ecuador. Technical Note.”. Revista Científica De La Facultad De Ciencias Veterinarias, Vol. 35, no. 2, July 2025, p. 6, doi:10.52973/rcfcv-e35634.