Dietary Reference Values for Food Energy and Nutrients for the United Kingdom. Department of Health, 1991.
146
Dietary Reference Values for Food Energy and Nutrients for the United Kingdom. Department of Health, 1991. P. 139, table 22.2.
147
Havaia, S. and Dwyer, J., 1988. Position of the American Dietetic Association: Vegetarian Diets – technical support paper. J. Am. Diet Assoc, 88:3 352–355.