1. Effects of changes in protein and calorie intake during pregnancy on the growth of the human fetus;Rush,1989
2. Rush D, Stein Z, Susser M. Diet in pregnancy: a randomized controlled trial of nutritional supplements. birth defects. original article series v. XVI, No. 3. New York: Alan R Liss, 1980.
3. Effect of nutritional supplementation in pregnancy I;Adams;J Am Diet Assoc,1978
4. Relationships between prenatal medical and nutritional measures, pregnancy outcome, and early infant development in an urban poverty setting I;Osofsky;Am J Obstet Gynecol,1975
5. The influence of improved prenatal nutrition upon the infant;Ebbs;Can Med Assoc J,1942