title: Pregnandiol excretion at the onset of labor.
authors.forename: R
authors.initials: R
authors.lastname: LYON
mesh_terms: D005260:Female; D006728:Hormones; D006801:Humans; D007745:Labor Onset; D007743:Labor, Obstetric; D010053:Ovary; D011247:Pregnancy; D011372:Progestins
chemical_list: D006728:Hormones; D011372:Progestins
keywords: LABOR/onset; OVARY/hormones