“The stimulation of prostaglandin F2 alpha production by the adrenal steroids was significantly reduced by the antiestrogen 4-hydroxytamoxifen at 10(-… their actions on other systems) but was not affected by the antiandrogen 4-hydroxyflutamide at 10(-6) mol/L. Progesterone (10(-… 5-androstene-3 beta,17 beta-…/L).”