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

Year Number of Results
1922 1
1990 1
1997 1
1998 1
1999 1
2003 2
2004 2
2005 6
2006 2
2007 5
2008 6
2009 5
2010 2
2011 6
2012 7
2013 6
2014 6
2015 8
2016 11
2017 12
2018 10
2019 14
2020 6
2021 10
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Similar articles for PMID: 32978240

122 results
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Low-dose oral theophylline combined with inhaled corticosteroids for people with chronic obstructive pulmonary disease and high risk of exacerbations: a RCT.
Devereux G, Cotton S, Fielding S, McMeekin N, Barnes PJ, Briggs A, Burns G, Chaudhuri R, Chrystyn H, Davies L, Soyza A, Gompertz S, Haughney J, Innes K, Kaniewska J, Lee A, Morice A, Norrie J, Sullivan A, Wilson A, Price D. Devereux G, et al. Health Technol Assess. 2019 Jul;23(37):1-146. doi: 10.3310/hta23370. Health Technol Assess. 2019. PMID: 31343402 Free PMC article. Clinical Trial.
122 results
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