Birnbach, D J The effect of intrathecal analgesia on the success of external cephalic version. [electronic resource] - Anesthesia and analgesia Aug 2001 - 410-3, 4th contents page p. digital Publication Type: Journal Article ISSN: 0003-2999 Standard No.: 10.1097/00000539-200108000-00035 doi Subjects--Topical Terms: AdultAnalgesia, ObstetricalAnalgesics, Opioid--administration & dosageBreech PresentationFemaleHumansInjections, SpinalPregnancySufentanil--administration & dosage