1. Anand, B. K., and S. Dua: J. Physiol. (Lond.) 127,153 (1955).—Indian med. J. 44,121,125 (1956).
2. Bogdanove, E. M., and N. S. Halmi: Endocrinology 53, 274 (1953).
3. Bustamante, M., H. Spatz und E. Weisschedel: Dtsch. med. Wschr. 1942, 289.
4. Campbell, Feuer, and Harris: zit. n. Harris, G. W.: In Control of Ovulation, p. 56, ed. C. A. Villee. London: Pergamon Press 1961.
5. Clara, M.: Dtsch. Z. Nervenheilk. 166,166 (1951).