title: Maternal serum dehydroepiandrosterone sulfate levels and the efficiency of labor in young nulliparas.
authors.forename: D E
authors.initials: DE
authors.lastname: Rizk
mesh_terms: D000367:Age Factors; D019314:Dehydroepiandrosterone Sulfate / Q000097:blood*; D005260:Female; D006801:Humans; D007743:Labor, Obstetric / Q000097:blood* / Q000502:physiology*; D010298:Parity; D011247:Pregnancy
chemical_list: D019314:Dehydroepiandrosterone Sulfate