Sajedi MD, F., R. Vameghi MD, MPH, M. Mohseni Bandpei PhD, V. Alizad BSc, S. Hemmati Gorgani MD, and S. Shahshahani Pour MD. “Motor Developmental Delay in 7500 Iranian Infants: Prevalence and Risk Factors”. Iranian Journal of Child Neurology, vol. 3, no. 3, Dec. 2009, pp. 43-50, doi:10.22037/ijcn.v3i3.1468.