1. Miller, J. F. A. P., Lancet, ii, 748 (1961).
2. Miller, J. F. A. P., Marshall, A. H. E., and White, R. G., in Advances in Immunology (edit. by Taliaferro, W. H., and Humphrey, J. H.), 2, 111 (Academic Press, New York, 1962).
3. Waksman, B. H., Arnason, B. G., and Jankovic, B. D., J. Exp. Med., 116, 187 (1962).
4. Miller, J. F. A. P., and Howard, J. G., J. Reticuloendothelial Soc., 1, 369 (1964).
5. Miller, J. F. A. P., Block, M., Rowlands, D. T., and Kind, P., Proc. Soc. Exp. Biol. and Med., 118, 916 (1965).