Estrogen inhibits the initiation of fatty streaks throughout the vasculature but does not inhibit intra-plaque hemorrhage and the progression of established lesions in apolipoprotein E deficient mice - Rosenfeld,M.E.; Kauser,K.; Martin-McNulty,B.; Polinsky,P.; Schwartz,S.M.; Rubanyi,G.M. (Atherosclerosis, 2002)