Doukyoung Chon

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OBJECTIVES To investigate the association between rheumatoid arthritis (RA) and self-reported sleep duration. SETTING The present study analysed 7 years of aggregated cross-sectional data (2007-2013) from the Korea National Health and Nutrition Examination Surveys (KNHANES). PARTICIPANTS A total of 37 979 individuals were selected for the analyses. (More)
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