1. Vancoram Review1931, 44 (April).
2. Proescher, Seil andStillians, Amer. J. Syph.1, 347 (1917).
3. Leva-diti, Lepine andSchoen, C. r. Acad. Sci. Paris187, 434 (1928).
4. —, Ber. Physiol.49, 128 (1929).
5. Fournier, Levaditi u.Schwartz, C. r. Soc. Biol. Paris87, 231 (1922).