%0 Journal Article %T Effect of teacher¡¯s working conditions on voice disorder in Korea: a nationwide survey %A Hyoung-Ryoul Kim %A Seyoung Lee %A Yi-Ryoung Lee %J Archive of "Annals of Occupational and Environmental Medicine". %D 2018 %R 10.1186/s40557-018-0254-8 %X A flow chart depicting study populatio %K Teacher %K Working condition %K Sick leave %K Working hour %K Sleep hour %K Voice disorder %K Hoarseness %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6029068/