Ezzeddin, N., Hojaji, E., Velayati, H., & Shabani Noosh Abadi, S. "The association between pica during pregnancy and household food security status", The Iranian Journal of Obstetrics, Gynecology and Infertility, 20, 2, 2017, 13-20. doi: 10.22038/ijogi.2017.8710