1. American Psychiatric Association, 1994. Diagnostic and Statistical Manual of Mental Disorders, 4th Edition. American Psychiatric Press, Washington, DC.
2. Effects of gonadal steroids in women with a history of postpartum depression;Bloch;Am. J. Psychiatry,2000
3. A controlled study of the onset, duration and prevalence of postnatal depression;Cox;Br. J. Psychiatry,1993
4. Report on the Satra Bruk workshop on classification of postnatal mental disorders November 7–10, 1999, convened by Birgitta Wickberg, Philip Hwang and John Cox with the support of Allmanna Barnhuset represented by Marina Gronros;Elliott;Arch. Womens Mental Health,2000
5. A rating scale for depression;Hamilton;J. Neurol. Neurosurg. Psychiatry,1960