1. Causas de bajo peso al nacer en Latinoamérica;Lechtig;Arch. Latinoam. Nutr,1977
2. Analysis of United States neonatal mortality statistics from 1968 to 1974, with specific reference to changing trends in major causalities;Manniello;Am. J. Obstet. Gynecol,1977
3. Implicaciones de bajo peso al nacer para la salud publica;Mata;Arch. Latinoam. Nutr,1977
4. Effect of food supplementation during pregnancy on birth weight;Lechtig;Pediatrics,1975
5. Low birth weight babies: world wide incidence, economic cost and program needs;Lechtig,1977