1. Barakat, M. R., and Smith, A. Dean (1949). Lancer, 2, 12.
2. Beet, E. A. (1948). E. Afr. nmd. J., 25, 433.
3. Beet, E. A. (1949). Trans. rov. Soc. trop. Med. Hyg., 43, 317.
4. A Study in Nutrition of E. A. Army Native Personnel.';Kekwick, A.; Wright, J.; Roper, A.B.,1945
5. Illingworth, R. S., Harvey, C. C., and Shan-Yah Gin (1949). Lancet, 2, 598.