the accumulation of oestrogen receptors in the liver cell nuclei of intact female rats 45 min after administration of 100 micrograms 17 alpha-ethynyloestradiol-17 beta i.p. , decreased progressively during a 72-h fast from 2550 +/- 860 to 257 +/- 67 fmol/mg dna , a level not significantly different from that in uninjected animals .
C0034804
oestrogen receptors
C0007610
cell nuclei of