title: Determination of serum estriol levels using a 125I-radioimmunoassay.
mesh_terms: D000293:Adolescent; D000328:Adult; D004964:Estriol / Q000097:blood*; D005260:Female; D006801:Humans; D007457:Iodine Radioisotopes; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third; D011863:Radioimmunoassay / Q000379:methods
chemical_list: D007457:Iodine Radioisotopes; D004964:Estriol