1. Transactions of the;Claunch, B.C.; Castro, V.; Barnes, W.T.,1963
2. Cohn, M. L., Middlebrook, G., and Russell, W. F., Jr. (1959). J. clin. Invest., 38, 1349.
3. Transactions of the;Dufour, A.P.; Knight, R.A.; Harris, H.W.,1963
4. Grosset, J. and Canetti, G. (1958). Rev. Tuberc. (Paris), 22, 1077., (1960). Ibid., 24, 633.
5. Jensen, K. A. (1955). Bull. int. Un. Tuberc., 25, 89.