1. Dysentery in Denmark;Bojlen, K.,1934
2. Cruickshank, R., and Swyer, R. (1940). Lancet, 2, 803.
3. Davies, J. R. (1954). Monthly Bull. Minist. Hlth (Lond.), 13, 114.
4. Fredericq, P. (1946a). C. R. Soc. Biol. (Paris), 140, 1133.
5. Fredericq, P. (1946b). Ibid., 140, 1057.