Herrera-Graña, T., Sánchez-Tuzón, M., Ley-Paz, E., Quevedo-Palomo, I. and Díaz-Vargas, L. de los Ángeles 2020. Environmental factors incidence on intestinal giardiasis and its relationship with allergic manifestations. Man, Science and Technology. 24, 2 (Apr. 2020), 35–43.