Mohammed Elbehery, M.Y. , Abdelfattah Abdellatif, N.A. , Mohamed Ahmed, M.A. , Hashem Abdelgaeid, H.A. , Abdelaziz, K.M. , Ali Elagamy, A.E. , Abdelnaby Ghallab, M.M. , Mahmoud, M.S. , Elfattah M. Hassan, I.A. , Abdelsamie Fadl, A.A. , Abdelgawad Nasr, A.E. , Mohammed Abo El Ela, E.E.S. , Mohamed, S.A. , Abdelhalim Mansour, E.N. , Abdelsalam Mohammad, A.F. , Hassan Ahamed, M.A.E. , Ibrahim Mohamed, M.A.B. , Bashir, M.A. , A. Elsayed, A.E. , Farid EL-Moazen, A.M. , Kassem Mahmoud, I.A. and Yehia, F.G. 2025. Serum 25-Hydroxyvitamin D Concentration Status and Neonatal Immune Function: New Perspectives in Anticipating Late Onset Sepsis among Preterm Neonates at Tertiary Care Centres (A Prospective Study). International Journal of Child Health and Nutrition. 14, 3 (Aug. 2025), 285–291. DOI:https://doi.org/10.6000/1929-4247.2025.14.03.9.