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

Year Number of Results
1988 1
1990 1
2000 1
2002 1
2003 1
2004 2
2005 3
2006 1
2007 1
2008 6
2009 3
2010 1
2012 1
2013 4
2014 3
2015 6
2016 8
2017 12
2018 17
2019 9
2020 4
2021 0
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PubMed (nucleotide/PMC) for id: 2203

78 results
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Page 1
Mechanisms regulating PD-L1 expression on tumor and immune cells.
Chen S, Crabill GA, Pritchard TS, McMiller TL, Wei P, Pardoll DM, Pan F, Topalian SL. Chen S, et al. J Immunother Cancer. 2019 Nov 15;7(1):305. doi: 10.1186/s40425-019-0770-2. J Immunother Cancer. 2019. PMID: 31730010 Free PMC article.
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