title: Estrogen excretion in high-risk pregnancy. A comparison of two assay procedures.
mesh_terms: D000645:Ammonium Sulfate; D011232:Chemical Precipitation; D004967:Estrogens / Q000652:urine*; D005260:Female; D005313:Fetal Death; D006801:Humans; D008722:Methods; D011225:Pre-Eclampsia / Q000652:urine; D011247:Pregnancy; D011248:Pregnancy Complications / Q000652:urine*; D011263:Pregnancy Trimester, Third; D011254:Pregnancy in Diabetics / Q000652:urine
chemical_list: D004967:Estrogens; D000645:Ammonium Sulfate