1. Almquist, J. O., and Hale, E. B., Proc. 3rd Intern. Congr. Animal Reprod., Cambridge p. 50 (1956).
2. Interrelations of the sex cycle and the behavior of the sow.
3. “Gonadotropins”;Anderson,1964
4. Pituitary Gonadotrophic Activities Following Luteal Enucleation in the Pig1