1. Women׳s experience of pain during childbirth;Beigi;Iranian Journal of Nursing and Midwifery Research,2010
2. The pain of childbirth: perceptions of culturally diverse women;Callister;Pain Management Nursing,2003
3. Giving birth: perceptions of Finnish childbearing women;Callister;American Journal of Maternal Child Nursing,2001
4. National Findings from the 2013 Survey of Women׳s Experience of Maternity Care;Care Quality Commission,2013
5. Systematic Reviews: CRD׳s Guidance for Undertaking Reviews in Healthcare;Centre for Research and Dissemination,2009