E-mail a Link to a Someone Who you'd like to recommend.
E-mail a link to the following content:
Jung SJ, Hwangbo Y, Jung JH, Kim J, Kim H, Jeong KH, Lee DW, Cho SH, Kim HW.  Recent Trends in Serum Vitamin D Levels among Korean Population: Korea National Health and Nutrition Examination Survey 2008~2014.  Korean J Clin Geri 2018;19:55-62.  https://doi.org/10.15656/kjcg.2018.19.1.55