1. The iron and zinc status of long-term vegetarian women
2. Aspinall, G. O. (1965). Final Report of Research Conducted under Grant Authorized by Public Law 480 for USDA, Project E29-(40)-50, Grant FG-UK-128.
3. Atkinson, W. T. (1970). U.S. Patent 3, 488, 770.
4. “Protein Quality in Humans”;Bodwell,1981