- Wijma K, Soderquist J, Wijma B. Posttraumatic stress disorder after childbirth: A cross-sectional study. Journal of Anxiety Disorders. 1997;11(6):587-97.
- Czarnocka J, Slade P. Prevalence and predictors of post-traumatic stress symptoms following childbirth. British Journal of Clinical Psychology. 2000;39:35-51.
- Ayers S, Harris R, Sawyer A, Parfitt Y, Ford E. Posttraumatic stress disorder after childbirth: Analysis of symptom presentation and sampling. Journal of Affective Disorders. 2009;119:200-4.
- Ford E, Ayers S. Support during birth interacts with prior trauma and birth intervention to predict postnatal post-traumatic stress symptoms. Psychology and Health. in press.
- Soet J, Brack G, Dilorio C. Prevalence and predictors of women’s experience of psychological trauma during childbirth. Birth. 2003;30:36-46