Hunter, D J Variations in urinary levels of free 6 beta-hydroxycortisol, cortisol, and estrogens in late pregnancy. [electronic resource] - Gynecologic and obstetric investigation 1984 - 83-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0378-7346 Standard No.: 10.1159/000299054 doi Subjects--Topical Terms: Circadian RhythmEstrogens--urineFemaleHumansHydrocortisone--analogs & derivativesObstetric Labor, Premature--diagnosisPregnancyPregnancy Trimester, Third