title: Urinary oestriol excretion in twin pregnancies.
mesh_terms: D001724:Birth Weight; D004964:Estriol / Q000652:urine*; D005260:Female; D005313:Fetal Death; D005865:Gestational Age; D006801:Humans; D010922:Placenta Diseases / Q000652:urine; D010923:Placenta Previa / Q000652:urine; D011225:Pre-Eclampsia / Q000652:urine; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012189:Retrospective Studies; D013997:Time Factors; D014427:Twins
chemical_list: D004964:Estriol