References
Newberry RE (1982) The Infant Formula Act of 1980. J Assoc Off Anal Chem 65, 1472-1473.
Nommsen, L. A., et al. (1991) "Determinants of energy, protein, lipid, and lactose concentrations in human milk during the first 12 mo of lactation: the DARLING Study." Am J Clin Nutr 53(2): 457-465