The value of single urinary specimens for oestrogen estimation during pregnancy.
D003404:Creatinine / Q000652:urine*; D004967:Estrogens / Q000652:urine*; D005260:Female; D006801:Humans; D008722:Methods; D011247:Pregnancy; D011248:Pregnancy Complications / Q000652:urine*
D004967:Estrogens; D003404:Creatinine