1. Burrell, R. G., Rheins, M., and Birkeland, J. M., Am. Rev. Tuberc.74, 239 (1956).
2. Drea, W. and Andrejew, A., The Metabolism of the Tubercule Bacillus (Springfield, 1953).
3. Emmart, E. W. and Seibert, F. B., J. Immunol.50, 143 (1945).
4. Gerstl, B., Davis, W. E., Kirsh, D., et al., Am. Rev. Tuber.72, 345 (1955).
5. Myrwik, Q. and Weiser, R. S., Am. Rev. Tuber.64, 669 (1951).