Tulp, Maartje J Analgesia for childbirth: modern insights into an age-old challenge and the quest for an ideal approach. [electronic resource] - Pain management Jan 2014 - 69-78 p. digital Publication Type: Journal Article; Review ISSN: 1758-1877 Standard No.: 10.2217/pmt.13.63 doi Subjects--Topical Terms: Analgesia, ObstetricalFemaleHumansLabor PainPregnancy