Scully, Mike and Geoghegan, Noreen and Corcoran, Paul and Tiernan, Marika and Keenan, Eamon (2004) Specialized drug liaison midwife services for pregnant opioid dependent women in Dublin, Ireland. Journal of Substance Abuse Treatment, 26, (1), pp. 27-33. https://doi.org/10.1016/S0740-5472(03)00154-5.