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

Year Number of Results
2002 2
2003 8
2004 11
2005 12
2006 7
2007 11
2008 9
2009 18
2010 39
2011 20
2012 28
2013 27
2014 20
2015 23
2016 22
2017 20
2018 26
2019 34
2020 29
2021 46
2022 36
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Page 1
Chronic obstructive pulmonary disease in China: a nationwide prevalence study.
Fang L, Gao P, Bao H, Tang X, Wang B, Feng Y, Cong S, Juan J, Fan J, Lu K, Wang N, Hu Y, Wang L. Fang L, et al. Among authors: hu y. Lancet Respir Med. 2018 Jun;6(6):421-430. doi: 10.1016/S2213-2600(18)30103-6. Epub 2018 Apr 9. Lancet Respir Med. 2018. PMID: 29650407 Free PMC article.
410 results