The Role of the Pituitary Gonadotropins 2 1 



11. Jensen, H., M. E. Simpson, S. ToLKSDORFand H. M. Evans, Chemical fractionation of 



the gonadotropic factors present in sheep pituitary, Emhcrinology 25, 57-62, 1939. 



12. Knobil, E., J. L. KosTYO and R. O. Greep, Production of ovulation in the hypo- 



physectomized Rhesus monkey, Endocrinology 65, 487^93, 1959. 



13. Leonora, J., W. H. McShan and R. K. Meyer, Separation of LH fractions from 



sheep pituitary glands by use of ion exchange resins. Endocrinology 63, 867, 1958. 



14. Li, C. H., M. E. Simpson and H. M. Evans, Interstitial cell-stimulating hormone. II. 



Method of preparation and some physico-chemical studies, Endocrinology 27, 

 803-808, 1940. 



15. Li, C. H., M. E. Simpson and H. M. Evans, Isolation of pituitary follicle-stimulating 



hormone (FSH), Science 109, 445-446, 1949. 



16. Meyer, R. K. et al.. Conference on Human Pituitary Gonadotropins (Sponsored by 



the Endocrinology Study Section, National Institutes of Health) Gatlinburg, 

 Tennessee, December 3-5, 1959. 



17. Raacke, I. D., A. J. LosTROH and C. H. Li, Zone electrophoresis on starch of pre- 



parations of follicle-stimulating hormone from sheep pituitary glands, Arch. Bio- 

 chem. Biophys. 11, 138-146, 1953. 



18. Rosemberg, E. et al.. Conference on Human Pituitary Gonadotrophins (Sponsored by 



the Endocrinology Study Sections, National Institutes of Health) Gatlinburg, 

 Tennessee, December 3-5, 1959. 



19. Rowlands, I. W. and P. C. Williams, Comparative activity of the gonadotrophin in 



horse pituitary glands and in pregnant mare's serum, /. Endocrinol. 2, 380-394, 1941. 



20. Rowlands, I. W. and P. C. Williams, Production of ovulation in hypophysectomized 



rats, /. Endocrinol. 3, 310-315, 1943. 



21. Simpson, M. E. et al.. Conference on Human Pituitary Gonadotrophins (Sponsored by 



the Endocrinology Study Section, National Institutes of Health) Gatlinburg, 

 Tennessee, December 3-5, 1959. 



22. Simpson, M. E. and G. van Wagenen, Experimental induction of ovulation in the 



macaque monkey. Fertility and Sterility 9, 386-399, 1958. 



23. Squire, P. G. and C. H. Li, Purification and properties of an interstitial cell-stimulating 



hormone from sheep pituitaries. Science 127, 32, 1958. 



24. Squire, P. G. and C. H. Li, Purification and properties of interstitial cell-stimulating 



hormone from sheep pituitary glands, /. Biol. Chem. 234, 520-525, 1959. 



25. Steelman, S. L. and A. Segaloff, Abstracts, The Endocrine Society, 39th meeting. 



New York, May 1957, p. 158. 



26. VAN Wagenen, G. and M. E. Simpson, Induction of multiple ovulation in the Rhesus 



monkey (Macaco midatta). Endocrinology 61, 316-318, 1957. 



27. VAN Wagenen, G. and M. E. Simpson, Experimentally induced ovulation in the 



Rhesus monkey (Macaca midatta). Revue Suisse de Zoologie 64, 807-819, 1957. 



28. Velardo, J. T., Induction of ovulation in immature hypophysectomized rats. Science 



131, 357-359, 1960. 



29. Williams, P. C, Studies of the biological action of serum gonadotrophin. 2. Ovarian 



response after hypophysectomy and oestrogen treatment, /. Endocrinol. 4, 131-136, 

 1945. 



30. Woods, M. C. and M. E. Simpson, Chromatography of sheep pituitary gonadotropins 



on DEAE-cellulose, Federation Proc. 18, 687, 1959. 



31. Woods, M. C. and M. E. Simpson, Purification of sheep pituitary follicle-stimulating 



hormone (FSH) by ion exchange chromatography on diethylaminoethyl (DEAE)- 

 cellulose, Endocrinology 66, 575-584, 1960. 



