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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2002 1
2003 1
2008 2
2009 3
2010 2
2011 1
2012 1
2013 3
2014 2
2015 2
2016 4
2017 1
2018 4
2019 4
2020 2
2021 2
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Page 1
Wireless Patrol Sign-In System with Mental Fatigue Detection.
Chang KM, Xu HC, Ching CT, Liu SH. Chang KM, et al. Among authors: liu sh. J Healthc Eng. 2018 Nov 12;2018:6419064. doi: 10.1155/2018/6419064. eCollection 2018. J Healthc Eng. 2018. PMID: 30538810 Free PMC article.
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