Effect of bed rest upon urinary estriol excretion.
D004964:Estriol / Q000652:urine*; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000652:urine*; D011295:Prenatal Care; D012146:Rest
D004964:Estriol