![The Progesterone Antagonist RU 486]()
The Progesterone Antagonist RU 486Nieman, Lynnette K.; Choate, Teresa M.; Chrousos, George P.; Healy, David L.; Morin, Martin; Renquist, David; Merriam, George R.; Spitz, Irving M.; Bardin, C. Wayne; Baulieu, Etienne-Emile; Loriaux, D. Lynn · New England Journal of Medicine · 1987