The effects of acupuncture during labour on nulliparous women: a randomised controlled trial. May 9, 2007/in Acupuncture and pregnancy, Research /by Acupuncture Pregnancy ClinicHantoushzadeh S et al, Aust N Z J Obstet Gynaecol. 2007 Feb;47(1):26-30.Australian and New Zealand Journal of Obstetrics and Gynaecology