1. Adams, P., u. C. White: Lancet 1965, 680.
2. Bartmann, K.: Öff. Gesundh.-Dienst 26, 263 (1964).
3. Bjartveit, K., and H. Waaler: Bull. Wld Hlth Org. 33, 289 (1965).
4. British Medical Research Council Tuberculosis vaccines clinical trial committee Brit. med. J. 1963, 973.
5. Canetti, G.: Rev. Tuberc. (Paris) Sér. V, 19, 1392 (1955).