title: Are we willing to change?
authors.forename: E E
authors.initials: EE
authors.lastname: Aly
authors.forename: R S
authors.initials: RS
authors.lastname: Shilling
mesh_terms: D016362:Analgesia, Obstetrical / Q000379:methods*; D000701:Analgesics, Opioid; D005260:Female; D005283:Fentanyl; D006801:Humans; D008614:Meperidine; D009020:Morphine; D011247:Pregnancy
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine; D008614:Meperidine; D005283:Fentanyl