1. A Companion in Surgical Studies;Aird, I.,1949
2. Bauer, W., Dale, H. H., Poulsson, L. T., and Richards, D. W. (1932). J. Physiol. (Lond.), 74, 343.
3. Elias, H., and Feller, A. (1931). Z. ges. exp. Med., 77, 538.
4. Elias, H., and Feller, A. and Popper, H. (1955). Arch. Path., 59, 332.
5. Losner, S., Volk, B. N., and Jacobi, M. (1950). Ibid., 49,461.