1. Oral conditions in children from three highland villages in Guatemala
2. Russell, A.L.: Environmental Variables in Oral Disease, Kreshover, S., and McClure, F. (eds), Washington, D. C.: American Association for the Advancement of Science, 1966, pp 30-32.
3. Mata, L.J.; Urrutia, J.J.; and Garcia, B.: Effect of Infection and Diet on Child Growth: Experience in a Guatemalan Village, Ciba Foundation Study Group No. 31, Nutrition and Infection, Boston: Little, Brown & Company, 1967, pp 112-126.