Wight, William (2008). "18. External cephalic version". In Halpern, Stephen H.; Douglas, M. Joanne (eds.). Evidence-Based Obstetric Anesthesia. John Wiley & Sons. pp. 217–224. ISBN9780727917348.
de Hundt, M; Velzel, J; de Groot, CJ; Mol, BW; Kok, M (June 2014). "Mode of delivery after successful external cephalic version: a systematic review and meta-analysis". Obstetrics and Gynecology. 123 (6): 1327–34. doi:10.1097/aog.0000000000000295. PMID24807332. S2CID16394070.
Cluver, C; Gyte, GM; Sinclair, M; Dowswell, T; Hofmeyr, GJ (9 February 2015). "Interventions for helping to turn term breech babies to head first presentation when using external cephalic version". The Cochrane Database of Systematic Reviews. 2 (2): CD000184. doi:10.1002/14651858.CD000184.pub4. hdl:10019.1/104301. PMID25674710.
Hilton J, Allan B, Swaby C, et al. (September 2009). "Intravenous nitroglycerin for external cephalic version: a randomized controlled trial". Obstet Gynecol. 114 (3): 560–7. doi:10.1097/AOG.0b013e3181b05a19. PMID19701035. S2CID9757809.(subscription required)
Cluver, C; Gyte, GM; Sinclair, M; Dowswell, T; Hofmeyr, GJ (9 February 2015). "Interventions for helping to turn term breech babies to head first presentation when using external cephalic version". The Cochrane Database of Systematic Reviews. 2 (2): CD000184. doi:10.1002/14651858.CD000184.pub4. hdl:10019.1/104301. PMID25674710.
de Hundt, M; Velzel, J; de Groot, CJ; Mol, BW; Kok, M (June 2014). "Mode of delivery after successful external cephalic version: a systematic review and meta-analysis". Obstetrics and Gynecology. 123 (6): 1327–34. doi:10.1097/aog.0000000000000295. PMID24807332. S2CID16394070.
Cluver, C; Gyte, GM; Sinclair, M; Dowswell, T; Hofmeyr, GJ (9 February 2015). "Interventions for helping to turn term breech babies to head first presentation when using external cephalic version". The Cochrane Database of Systematic Reviews. 2 (2): CD000184. doi:10.1002/14651858.CD000184.pub4. hdl:10019.1/104301. PMID25674710.
Hilton J, Allan B, Swaby C, et al. (September 2009). "Intravenous nitroglycerin for external cephalic version: a randomized controlled trial". Obstet Gynecol. 114 (3): 560–7. doi:10.1097/AOG.0b013e3181b05a19. PMID19701035. S2CID9757809.(subscription required)
de Hundt, M; Velzel, J; de Groot, CJ; Mol, BW; Kok, M (June 2014). "Mode of delivery after successful external cephalic version: a systematic review and meta-analysis". Obstetrics and Gynecology. 123 (6): 1327–34. doi:10.1097/aog.0000000000000295. PMID24807332. S2CID16394070.
Hilton J, Allan B, Swaby C, et al. (September 2009). "Intravenous nitroglycerin for external cephalic version: a randomized controlled trial". Obstet Gynecol. 114 (3): 560–7. doi:10.1097/AOG.0b013e3181b05a19. PMID19701035. S2CID9757809.(subscription required)