title: Comparison of methoxyflurane and parenteral agents for obstetric analgesia.
mesh_terms: D000698:Analgesia; D000769:Anesthesia, Inhalation; D000771:Anesthesia, Intravenous; D000773:Anesthesia, Obstetrical; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D006919:Hydroxyzine; D008614:Meperidine / Q000008:administration & dosage; D008733:Methoxyflurane / Q000008:administration & dosage* / Q000009:adverse effects; D010546:Perphenazine; D010640:Phenothiazines; D011247:Pregnancy; D012601:Scopolamine / Q000008:administration & dosage; D013997:Time Factors
chemical_list: D010640:Phenothiazines; D008733:Methoxyflurane; D006919:Hydroxyzine; D008614:Meperidine; D012601:Scopolamine; D010546:Perphenazine