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1 Validation of health screening questionnaire used for screening gastrointestinal disorder in worker's special health examination for night time work
JaeYong Lee, Ji-Won Lee, WonSeon Choi, Jun-Pyo Myong
Ann Occup Environ Med.2019;31(1):e8.  Published online 2019 June 14     DOI: http://dx.doi.org/10.35371/aoem.2019.31.e8
      

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