Journal Article
Gutierrez, Gonzalo, Hortensia Reyes, Sonia Fernandez, Luis Perez, Ricardo Perez-Cuevas, and Hector Guiscafre.
"Impact of health care services, sanitation and education on mortality rates of children under five years of age." Salud Publica de Mexico 41, no. 5 (1999): 368-375.