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

Year Number of Results
1946 1
1947 2
1948 1
1949 2
1950 2
1951 1
1952 1
1953 1
1955 4
1956 3
1957 1
1958 4
1959 2
1960 2
1961 4
1962 5
1963 4
1964 6
1965 2
1971 1
1974 1
1978 2
1979 2
1981 1
1982 1
1983 1
1984 5
1985 4
1986 13
1987 13
1988 22
1989 253
1990 695
1991 859
1992 1082
1993 1397
1994 1667
1995 1662
1996 1797
1997 1890
1998 1920
1999 2028
2000 2141
2001 2072
2002 2150
2003 2245
2004 2242
2005 2515
2006 2665
2007 2850
2008 3163
2009 3271
2010 3563
2011 3516
2012 3599
2013 3759
2014 3752
2015 3794
2016 3535
2017 3531
2018 3307
2019 3108
2020 3127
2021 2965
2022 2145
2023 1679
2024 2007
2025 1115

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79,088 results

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Page 1
RoB 2: a revised tool for assessing risk of bias in randomised trials.
Sterne JAC, Savović J, Page MJ, Elbers RG, Blencowe NS, Boutron I, Cates CJ, Cheng HY, Corbett MS, Eldridge SM, Emberson JR, Hernán MA, Hopewell S, Hróbjartsson A, Junqueira DR, Jüni P, Kirkham JJ, Lasserson T, Li T, McAleenan A, Reeves BC, Shepperd S, Shrier I, Stewart LA, Tilling K, White IR, Whiting PF, Higgins JPT. Sterne JAC, et al. BMJ. 2019 Aug 28;366:l4898. doi: 10.1136/bmj.l4898. BMJ. 2019. PMID: 31462531 Free article. No abstract available.
Catalogue of bias: attrition bias.
Nunan D, Aronson J, Bankhead C. Nunan D, et al. BMJ Evid Based Med. 2018 Feb;23(1):21-22. doi: 10.1136/ebmed-2017-110883. BMJ Evid Based Med. 2018. PMID: 29367321
Battling bias.
Evers JLHH. Evers JLHH. Hum Reprod. 2018 Jan 1;33(1):1-2. doi: 10.1093/humrep/dex346. Hum Reprod. 2018. PMID: 29165671 No abstract available.
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.
Bias.
Sitthi-amorn C, Poshyachinda V. Sitthi-amorn C, et al. Lancet. 1993 Jul 31;342(8866):286-8. doi: 10.1016/0140-6736(93)91823-5. Lancet. 1993. PMID: 8101308 No abstract available.
79,088 results
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