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

Year Number of Results
1991 2
1992 2
1994 1
1996 1
1998 2
1999 2
2000 1
2001 1
2002 1
2003 3
2004 3
2005 3
2006 4
2007 4
2008 5
2009 3
2010 3
2011 6
2012 7
2013 1
2014 1
2015 1
2016 1
2017 1
2018 1
2019 3
2020 4
2022 0
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Article type
Publication date

Search Results

62 results
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Page 1
Trial recruitment a continuing challenge.
Tugwell P, Knottnerus A. Tugwell P, et al. Among authors: knottnerus a. J Clin Epidemiol. 2019 Sep;113:vi-viii. doi: 10.1016/j.jclinepi.2019.07.018. J Clin Epidemiol. 2019. PMID: 31470965 No abstract available.
What is 'best evidence'?
Tugwell P, Knottnerus A, Idzerda L. Tugwell P, et al. Among authors: knottnerus a. J Clin Epidemiol. 2012 Nov;65(11):1131-2. doi: 10.1016/j.jclinepi.2012.08.002. J Clin Epidemiol. 2012. PMID: 23017631 Free article. No abstract available.
How many risks-of-bias and comorbidity scales do we need?
Tugwell P, Knottnerus A, Idzerda L. Tugwell P, et al. Among authors: knottnerus a. J Clin Epidemiol. 2012 Sep;65(9):919-20. doi: 10.1016/j.jclinepi.2012.07.001. J Clin Epidemiol. 2012. PMID: 22824194 No abstract available.
Are we doing enough to ensure quality of trials?
Tugwell P, Knottnerus A, Idzerda L. Tugwell P, et al. Among authors: knottnerus a. J Clin Epidemiol. 2013 Mar;66(3):241-2. doi: 10.1016/j.jclinepi.2012.12.007. J Clin Epidemiol. 2013. PMID: 23347847 Free article. No abstract available.
62 results