1. Effect of food supplementation during pregnancy on birthweight;Lechtig;Pediatrics,1975
2. Relation of maternal supplementary feeding during pregnancy to birthweight and other sociobiological factors;Habicht,1974
3. Maternal nutrition: its effects on infant growth and development and birthspacing;Delgado,1977
4. The behavior of nutritionally deprived Guatemalan infants;Brazelton;Develop. Med. Child Neurol.,1977
5. Prenatal nutritional, quasi, and natural experiments in the past decade: an overview;Rush,1980