Oestriol levels in pregnancy urine related to creatinine excretion.
D003404:Creatinine / Q000652:urine*; D004964:Estriol / Q000652:urine*; D005260:Female; D005313:Fetal Death / Q000175:diagnosis; D006801:Humans; D011247:Pregnancy
D003404:Creatinine; D004964:Estriol