1. A practical approach to labor support;Adams;JOGNN,2008
2. Fear, pain and stress hormones during childbirth
3. The Association Between Antenatal Anxiety and Fear of Childbirth in Nulliparous Women: a Prospective Study;Alipour;Iranian Journal of Nursing and Midwifery Research;,2011
4. Bayık, A. (2004). Ethics in Nursing Research. Research Principles, Process and Methods in Nursing (pp. 27-48). İstanbul: Odak Offset.
5. Beck AT, Epstein N., & Brown G, (1988). An inventory for me assuring clinical anxiety: Psychometric properties. J Consult Clin Psychol 56:893-7. 22.