El-Kassas, G. M., El Wakeel, M. A., Elabd, M. A., Kamhawy, A. H., Atti, M. A., Abd El-Gaffar, S. A., Hanafy, S. K. and Awadallah, E. (2019) “Vitamin D Status in Neonatal Pulmonary Infections: Relationship to Inflammatory Indicators”, Open Access Macedonian Journal of Medical Sciences, 7(23), pp. 3970–3974. doi: 10.3889/oamjms.2019.592.