Gwalabe, S. A.; Adamu, A.; Kirfi, A. M.; Dunga, J. A.; Maigari, I. M.; Umar, M. S. Serum Vitamin D Level and Severity of Adult Allergic Rhinitis at a Tertiary Hospital in Northeast Nigeria. NJBCS 2026, 21 (2), 110-114. https://doi.org/10.65843/s7wxdw66.