Walker, W. A., Isselbacher, K. J., and Bloch, K. J., Science, 177, 608 (1972).
André, C., Lambert, R., Bazin, H., and Heremans, J. F., Eur. J. Immun., 4, 701 (1974).
Tomasi, T. B., and Zigelbaum, S. D., J. clin. Invest., 42, 1552 (1963).
Buckley, R. H., and Dees, S. C., New Engl. J. Med., 281, 465 (1969).
Kaufman, H. S., and Hobbs, J. R., Lancet, ii, 61 (1970).
Taylor, B., et al., Lancet, ii, 111 (1973).
Eisen, H. N., Simms, E. S., and Potter, M., Biochemistry, 7, 4126 (1968).
Comoglio, P. M., and Guglielmone, R., Immunology, 25, 71 (1972).
Porter, R. R., Meth. Med. Res., 3, 256 (1950).
Hunter, W. M., and Greenwood, F. C., Nature, 194, 495 (1962).
Stokes, C. R., Taylor, B. W., and Turner, M. W., Lancet, ii, 485 (1974).
Walker, W. A., Isselbacher, K. J., and Bloch, K. J., J. Immun., 111, 221 (1973).
Heremans, J. F., and Heremans, M. Th., Acta med. scand., Suppl., 367, 27 (1961).
Brown, W. R., Newcomb, R. W., and Ishizaka, K., J. clin. Invest., 49, 1374 (1970).
Bienenstock, J., Progress in Immunology II, 4 (edit. by Brent, L., and Holborow, J.), 197 (North Holland, Amsterdam, 1974).
Hill, I. R., and Porter, P., Immunology, 26, 1239 (1974).