1. McCance, R.A., and E.M. Widdowsen, J. Physiol. 44:101 (1942).
2. Erdman, J.W., Jr., JAOCS 56:736 (1979).
3. Hay, J.G., Cereal Chem. 19:326 (1942).
4. Hoff-Jørgensen, E., K. Dan. Vidensk. Selsk. Nat. Medd. 21:7 (1944).
5. Barre, R., J.E. Courtois and G. Wormser, Bull. Soc. Chim. Biol. 36:455 (1954).