https://www.jstage.jst.go.jp/article/josnusd/61/1/61_17-0357/_article https://www.ncbi.nlm.nih.gov/pubmed/30918217?dopt=Abstract Vitamin D reduces the serum levels of inflammatory cytokines in rat models of periodontitis and chronic obstructive pulmonary disease. Vitamin D reduces the serum levels of inflammatory cytokines in rat models of periodontitis and chronic obstructive pulmonary disease. J Oral Sci. 2019;61(1):53-60 Authors: Han J, Cheng C, Zhu Z, Lin M, Zhang DX, […]