The relationship between serum vitamin D levels and sleep quality in fixed day indoor field workers in the electronics manufacturing industry in Korea
Crossref DOI link: https://doi.org/10.1186/s40557-017-0187-7
Published Online: 2017-06-24
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Jung, Young Saeng
Chae, Chang Ho
Kim, Young Ouk
Son, Jun Seok
Kim, Chan Woo
Park, Hyoung Ouk
Lee, Jun Ho
Shin, Young Hoo
Kwak, Ho Sung