title: Comparison of tritium-labeled steroids for progesterone receptor assay in human endometrium.
mesh_terms: D001667:Binding, Competitive; D003600:Cytosol / Q000032:analysis / Q000378:metabolism; D004717:Endometrium / Q000032:analysis*; D004963:Estrenes / Q000032:analysis; D005260:Female; D006801:Humans; D015741:Metribolone; D011282:Pregnenediones / Q000032:analysis; D011374:Progesterone / Q000032:analysis; D045167:Progesterone Congeners / Q000032:analysis; D011980:Receptors, Progesterone / Q000032:analysis*; D013256:Steroids / Q000032:analysis*; D014316:Tritium
chemical_list: D004963:Estrenes; D011282:Pregnenediones; D045167:Progesterone Congeners; D011980:Receptors, Progesterone; D013256:Steroids; D014316:Tritium; C020175:16 alpha-ethyl-21-hydroxy-19-nor-4-pregnene-3,20-dione; D015741:Metribolone; D011374:Progesterone