1. Modern Dietary Treatment;Abrahams, M.; Widdowson, E.M.,1940
2. In Allbutt, C., and Rolleston's, H. D., System of Medicine, vol. vii, p. 1 1. London.
3. (abstract in Amer;Frolich, T.;Acta Paediatr,1926
4. Garrod, A. E. (1907). St. Barts. Hosp. Rep., 42, 43.
5. Koontz, A. K. (1927). Amer. J. med. Sci., 174, 406.