Association between cord blood 25-hydroxyvitamin D concentrations and respiratory tract infections in the first 6 months of age in a Korean population: a birth cohort study (COCOA).
Shin YH, Yu J, Kim KW, Ahn K, Hong SA, Lee E, Yang SI, Jung YH, Kim HY, Seo JH, Kwon JW, Kim BJ, Kim HB, Shim JY, Kim WK, Song DJ, Lee SY, Lee SY, Jang GC, Suh DI, Yang HJ, Kim BS, Choi SJ, Oh SY, Kwon JY, Lee KJ, Park HJ, Lee PR, Won HS, Hong SJ; COCOA study group.
Shin YH, et al. Among authors: park hj.
Korean J Pediatr. 2013 Oct;56(10):439-45. doi: 10.3345/kjp.2013.56.10.439. Epub 2013 Oct 31.
Korean J Pediatr. 2013.
PMID: 24244212
Free PMC article.