Rat macrophage activity against Toxoplasma gondii studied by electron microscopy

by Chinchilla, Misael, Portilla, E., Guerrero, O. M.
Published 1986

Presencia de quistes en Tritrichomonas muris

by Chinchilla, M., Portilla, E., Guerrero, O. M., Marín, R.
Published 1987

Vegetation-environment relationships based on a life-forms c1assification in a semiarid region of Tropical Mexico

by Zavala-Hurtado, J A, Valverde, P L, Díaz-Solís, A, Vite, F, Portilla, E
Published 1996