1. Evans, H. M., Emerson, O. H. and Emerson, G. A. (1936). The isolation from wheat germ oil of an alcohol, -tocopherol, having the properties of vitamin E. J. Biol. Chem., 113, 319
2. Smith, C. L., Kelleher, J., Losowsky, M. S. and Morrish, N.( 1971). The content of vitamin E in British diets. Br. J. Nutr., 26, 89
3. Scott, M. L. (1970). Nutritional and metabolic interrelationships involving vitamin E, selenium and cystine in the chicken. Int. J. Vit. Res., 40, 334
4. Wertz, J. M., Seward, C. R., Hove, E. L. and Adkins, J. S. (1968). Interrelationship of dietary glycine, methionine and vitamin E in the rat. J. Nutr., 94, 129
5. Losowsky, M. S., Kelleher, J., Walker, B. E., Davies, T. and Smith, C. L. (1972). Intake and absorption of tocopherol. Ann. N. Y. Acad. Sci., 203, 212