%0 Journal Article %T Total 25-hydroxy vitamin D level in cerebrospinal fluid correlates with serum total, bioavailable, and free 25-hydroxy vitamin D levels in Korean population %A Dong-Hyun Lee %A Jin Hyun Kim %A Min-Chul Cho %A Myeong Hee Jung %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0213389 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6424407/