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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 155
2018 161
2019 217
2020 178
2021 86
2022 12
2023 15
2024 152
2025 225

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Randomization in clinical studies.
Lim CY, In J. Lim CY, et al. Korean J Anesthesiol. 2019 Jun;72(3):221-232. doi: 10.4097/kja.19049. Epub 2019 Apr 1. Korean J Anesthesiol. 2019. PMID: 30929415 Free PMC article. Review.
Forest plots.
Verhagen AP, Ferreira ML. Verhagen AP, et al. J Physiother. 2014 Sep;60(3):170-3. doi: 10.1016/j.jphys.2014.06.021. Epub 2014 Jul 30. J Physiother. 2014. PMID: 25084633 Free article.
3,169 results