1. Anaemia in pregnancy;Williams;Medical Clinics of North America,1992
2. Worldwide prevalence of anaemia 1993–2005. WHO Global Database on Anaemia. Geneva: World Health Organization;de Benoist B, McLean E, Egli I, Cogswell [http://whqlibdoc.who.int/publications/2008/9789241596657_eng.df].
3. Maternal iron deficiency anaemia affects postpartum emotions and cognition;Beard;The Journal of Nutrition,2004
4. Low haemoglobin level is a risk factor for postpartum depression;Corwin;The Journal of Nutrition,2003
5. Prepartum anemia;Milman;Annals of Hematology,2008