New aspects of dopamine agonist therapy in menstrual cycle disorders and infertility : The Proceedings of a Symposium held at the XIIth World Congress on Fertility and Sterility, Marrakesh, October 1989 - Symposium 1989 : Marrakesh, United Kingdom).; Pepperell, R. J. (Lancs, UK : The Parthenon Publishing Group, 1990)