%0 Journal Article %T The role of customer service manual on workplace emotional burden in nationwide cross sectional study %A Jihyun Kim %A Jin-Ha Yoon %A Jong-Uk Won %A Sehyun Yun %A Sung-Shil Lim %A Young-Kwang Kim %J Archive of "Annals of Occupational and Environmental Medicine". %D 2019 %R 10.1186/s40557-019-0285-9 %X Study population selection process schematic %K Customer service manual %K Emotional burden %K Emotional demand %K Service industry %K Mental health %K Korea working condition survey %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6373057/