The serum level of vitamin D and prevalence of vitamin D deficiency among children with asthma in Asia and Africa: a systematic review and meta-analysis
Chanie, E.S., Zhang, G. & Le Souef, P. . Arch Public Health 82, 103 (2024). https://doi.org/10.1186/s13690-024-01321-5 Abstract Background Several studies on the serum level of vitamin D and the percentage of vitamin…