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

Year Number of Results
1959 2
1960 1
1961 2
1962 1
1963 5
1965 4
1966 7
1967 3
1968 1
1969 3
1970 1
1971 3
1972 5
1973 5
1974 2
1975 4
1976 1
1977 6
1978 3
1979 14
1980 16
1981 12
1982 8
1983 16
1984 8
1985 12
1986 18
1987 11
1988 18
1989 10
1990 13
1991 20
1992 17
1993 18
1994 36
1995 37
1996 32
1997 14
1998 25
1999 25
2000 25
2001 24
2002 29
2003 21
2004 31
2005 43
2006 43
2007 43
2008 52
2009 70
2010 75
2011 63
2012 64
2013 95
2014 71
2015 92
2016 64
2017 62
2018 65
2019 41
2020 43
2021 39
2022 20
2023 21
2024 13
2025 2

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1,564 results

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Page 1
Measuring inconsistency in meta-analyses.
Higgins JP, Thompson SG, Deeks JJ, Altman DG. Higgins JP, et al. Among authors: altman dg. BMJ. 2003 Sep 6;327(7414):557-60. doi: 10.1136/bmj.327.7414.557. BMJ. 2003. PMID: 12958120 Free PMC article. Review.
The Cochrane Collaboration's tool for assessing risk of bias in randomised trials.
Higgins JP, Altman DG, Gøtzsche PC, Jüni P, Moher D, Oxman AD, Savovic J, Schulz KF, Weeks L, Sterne JA; Cochrane Bias Methods Group; Cochrane Statistical Methods Group. Higgins JP, et al. Among authors: altman dg. BMJ. 2011 Oct 18;343:d5928. doi: 10.1136/bmj.d5928. BMJ. 2011. PMID: 22008217 Free PMC article.
The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration.
Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gøtzsche PC, Ioannidis JP, Clarke M, Devereaux PJ, Kleijnen J, Moher D. Liberati A, et al. Among authors: altman dg. J Clin Epidemiol. 2009 Oct;62(10):e1-34. doi: 10.1016/j.jclinepi.2009.06.006. Epub 2009 Jul 23. J Clin Epidemiol. 2009. PMID: 19631507 Free article.
1,564 results