cytoplasmic and nuclear pr were measured by in vitro exchange assays , using near-saturating concentrations of [ 3h ] r5020 ( 3h-labeled promegestone ; 17,21-dimethyl-19-nor-4,9-pregnadiene-3,20-dione ) , 1 , 8 , 24 , and 32 h after insertion of progesterone or blank implants .
C0010834
cytoplasmic
C0206588
nuclear pr