Hassan, A., Mahdi, M. and Najibullah, A. (2019) “Cephalometry to determine the head index of children younger than 6 years in kindergartens at the Ministry of higher education in Kabul, Afghanistan”, International Journal of Research in Medical Sciences, 7(4), pp. 1336–1340. doi: 10.18203/2320-6012.ijrms20191349.