Islam, M. M., K. Al-Thihli, and M. Abdellatif. “Maternal and Neonatal Factors Influencing Preterm Birth and Low Birth Weight in Oman: A Hospital Based Study”. International Journal of Child Health and Nutrition, vol. 2, no. 4, Nov. 2013, pp. 281-95, doi:10.6000/1929-4247.2013.02.04.2.