1. Bloor M (1997) Techniques of validation in qualitative research: A critical commentary. In: Miller G, Dingwall R (eds) Context and method in qualitative research. Sage Publications, Ltd., London
2. Brockington I (1996) Motherhood and mental health. Oxford University Press, Oxford
3. Caramlau I, Barlow J, Sembi S, McKenzie-McHarg K, McCabe C (2011) Trials. Mums 4 Mums: structured telephone peer-support for women experiencing postnatal depression. Pilot and exploratory RCT of its clinical and cost effectiveness. Mar 25;12:88
4. Dennis CL (2003) The effect of peer-support on postpartum depression: a pilot randomised controlled trial. Canadian Journal of Psychiatry 45:61–70
5. Engqvist I, Nilsson A, Nilsson K, Sjöström B (2007) Strategies in caring for women with postpartum psychosis—an interview study with psychiatric nurses. J Clin Nurs 16(7):1333–42