Proceedings of the Second International Symposium on Progestins, Progesterone Receptor Modulators and Progesterone Antagonists. November 20-23, 2002. Siena, Italy. [electronic resource] - Steroids Nov 2003 - 759-1119 p. digital Publication Type: Congress; Overall ISSN: 0039-128X Subjects--Topical Terms: AnimalsHumansProgesterone--antagonists & inhibitorsProgesterone Congeners--pharmacologyReceptors, Progesterone--drug effects