MARTÍNEZ BARBOSA, I., ALPÍZAR SOSA, E. A., GUTIÉRREZ CÁRDENAS, E. M., & PIMIENTA LASTRA, R. D. J. (2009). Parasitic contamination by dog feces collected from the streets of San Cristobal de Las Casas, Chiapas, Mexico. Veterinaria México OA, 39(2). Retrieved from https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/210