JAFARI-SHOBEIRI M, GHOJAZADEH M, AZAMI-AGHDASH S, NAGHAVI-BEHZAD M, PIRI R, POURALI-AKBAR Y, NASROLLAH-ZADEH R, BAYAT-KHAJEH P, MOHAMMADI M. Prevalence and Risk Factors of Gestational Diabetes in Iran: A Systematic Review and Meta-Analysis. Iran J Public Health. 2015;44(8):1036-1044.