title: [Radioimmunoassay of conjugated and non-conjugated estetrol (E4)].
mesh_terms: D004953:Estetrol / Q000097:blood*; D004964:Estriol / Q000031:analogs & derivatives*; D005260:Female; D006801:Humans; D007106:Immune Sera; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D007106:Immune Sera; D004953:Estetrol; D004964:Estriol