1. Chemical composition of the body;Widdowson,1964
2. Nutrition and lactation;Widdowson,1977
3. Effect of oral contraceptive agents on vitamin and mineral needs: A review;Theuer;J. Reprod. Med.,1972
4. Iron deficiency in infancy and childhood;Dallman;Am. J. Clin. Nutr.,1980
5. Folate deficiency conditioned by lactation;Metz;Am. J. Clin. Nutr.,1970