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

Year Number of Results
1990 11
1991 7
1992 15
1993 15
1994 65
1995 30
1996 27
1997 43
1998 35
1999 57
2000 52
2001 68
2002 72
2003 93
2004 68
2005 92
2006 99
2007 136
2008 124
2009 117
2010 143
2011 146
2012 182
2013 150
2014 163
2015 227
2016 153
2017 154
2018 150
2019 99
2020 6
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2,511 results
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Page 1
Neurosurgical Randomized Controlled Trials-Distance Travelled.
Azad TD, Veeravagu A, Mittal V, Esparza R, Johnson E, Ioannidis JPA, Grant GA. Azad TD, et al. Neurosurgery. 2018 May 1;82(5):604-612. doi: 10.1093/neuros/nyx319. Neurosurgery. 2018. PMID: 28645203
Randomized controlled trials in therapeutic apheresis.
Winters JL. Winters JL. J Clin Apher. 2013 Feb;28(1):48-55. doi: 10.1002/jca.21263. Epub 2013 Jan 31. J Clin Apher. 2013. PMID: 23371830 Review.
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