Nutrition and infection field study in Guatemalan villages, 1959-1964. II. Field reconnaissance, administrative and technical; study area; population characteristics; and organization for field activities.
D002675:Child, Preschool; D003141:Communicable Diseases / Q000453:epidemiology*; D006166:Guatemala; D006801:Humans; D007223:Infant; D009749:Nutrition Surveys; D012423:Rural Health