1. Scrimshaw, N. S., Taylor, C. E., and Gordon, J. E., Interactions of Nutrition and Infection (WHO, Geneva, 1968).
2. Guggenheim, K., and Buechler, E., J. Immunol., 54, 349 (1946).
3. Newberne, P. M., Hunt, C. E., and Young, V. R., Brit. J. Exp. Pathol., 49, 448 (1968).
4. Teir, H., and Rytömaa, T., Meth. Achevm. Exp. Pathol (edit. by Bajusz, E., and Jasmin, G.), 1, 639 (Karger, New York, 1966).
5. Zeya, H. I., and Spitznagel, J. K., J. Exp. Med., 127, 927 (1968).