1. Bolling K, Grant C, Hamlyn B, Thornton K. Infant feeding survey 2005 2007, The Information Centre, London.
2. The effectiveness of public health interventions to promote the duration of breastfeeding systematic review;Renfrew,2005
3. The ‘anatomy’ of infant sucking;Woolridge;Midwifery,1986
4. Enabling breastfeeding;Renfrew,2000
5. Successful breastfeeding;Royal College of Midwives,2002