Multidimensional sleep quality of dependent self-employment workers.
Lee SH, Kang D, Lee J, Kim U, Ham S, Lee W, Choi WJ, Kang SK.
Lee SH, et al. Among authors: kang d, kang sk.
Ann Occup Environ Med. 2020 Jan 22;32:e6. doi: 10.35371/aoem.2020.32.e6. eCollection 2020.
Ann Occup Environ Med. 2020.
PMID: 32082588
Free PMC article.