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Results by year

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

Year Number of Results
1956 1
1962 1
1965 1
1966 2
1969 3
1970 1
1972 1
1973 3
1974 3
1975 9
1976 7
1977 6
1978 8
1979 11
1980 10
1981 22
1982 22
1983 13
1984 22
1985 29
1986 27
1987 39
1988 42
1989 60
1990 68
1991 78
1992 105
1993 140
1994 192
1995 223
1996 283
1997 308
1998 403
1999 447
2000 1539
2001 1204
2002 1261
2003 1439
2004 1706
2005 1860
2006 2183
2007 2772
2008 2865
2009 3255
2010 3793
2011 4385
2012 5518
2013 6696
2014 7613
2015 8680
2016 9261
2017 10268
2018 11065
2019 12532
2020 15153
2021 17888
2022 19031
2023 18444
2024 8211

Text availability

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Article type

Publication date

Search Results

158,948 results

Results by year

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Page 1
Stratified randomization for clinical trials.
Kernan WN, Viscoli CM, Makuch RW, Brass LM, Horwitz RI. Kernan WN, et al. J Clin Epidemiol. 1999 Jan;52(1):19-26. doi: 10.1016/s0895-4356(98)00138-3. J Clin Epidemiol. 1999. PMID: 9973070 Free article. Review.
In this paper, we review stratified randomization to summarize its purpose, indications, accomplishments, and alternatives. In order to identify research papers, we performed a Medline search for 1966-1997. The search yielded 33 articles that included origina …
In this paper, we review stratified randomization to summarize its purpose, indications, accomplishments, and alternatives. In order …
Exercise for depression.
Mead GE, Morley W, Campbell P, Greig CA, McMurdo M, Lawlor DA. Mead GE, et al. Cochrane Database Syst Rev. 2009 Jul 8;(3):CD004366. doi: 10.1002/14651858.CD004366.pub4. Cochrane Database Syst Rev. 2009. PMID: 19588354 Updated. Review.
In addition, we hand-searched several relevant journals, contacted experts in the field, searched bibliographies of retrieved articles, and performed citation searches of identified studies. We also searched www.controlled-trials.com in May 2008. SELEC …
In addition, we hand-searched several relevant journals, contacted experts in the field, searched bibliographies of retrieved …
Exercise for depression.
Mead GE, Morley W, Campbell P, Greig CA, McMurdo M, Lawlor DA. Mead GE, et al. Cochrane Database Syst Rev. 2008 Oct 8;(4):CD004366. doi: 10.1002/14651858.CD004366.pub3. Cochrane Database Syst Rev. 2008. PMID: 18843656 Updated. Review.
In addition, we hand-searched several relevant journals, contacted experts in the field, searched bibliographies of retrieved articles, and performed citation searches of identified studies. We also searched www.controlled-trials.com. SELECTION CRITERI …
In addition, we hand-searched several relevant journals, contacted experts in the field, searched bibliographies of retrieved …
Allocation concealment: a methodological review.
Clark L, Schmidt U, Tharmanathan P, Adamson J, Hewitt C, Torgerson D. Clark L, et al. J Eval Clin Pract. 2013 Aug;19(4):708-12. doi: 10.1111/jep.12032. Epub 2013 May 7. J Eval Clin Pract. 2013. PMID: 23648092 Review.
RATIONALE, AIMS AND OBJECTIVES: The accurate reporting of the trial methodology and results is essential for accurate judgement on the quality of the research. This review aims to assess the impact of the adequacy of allocation concealment on treatment effect estimates. ME …
RATIONALE, AIMS AND OBJECTIVES: The accurate reporting of the trial methodology and results is essential for accurate judgement on the quali …
Understanding research synthesis (meta-analysis).
Mosteller F, Colditz GA. Mosteller F, et al. Annu Rev Public Health. 1996;17:1-23. doi: 10.1146/annurev.pu.17.050196.000245. Annu Rev Public Health. 1996. PMID: 8724213 Review.
We emphasize the benefits of heterogeneity in overviews and the need to explore and describe the sources of heterogeneity. Random effects approaches to combining data are recommended, and the use of regression approaches is emphasized. Excluding studies with extreme result …
We emphasize the benefits of heterogeneity in overviews and the need to explore and describe the sources of heterogeneity. Random eff …
Randomisation to protect against selection bias in healthcare trials.
Odgaard-Jensen J, Vist GE, Timmer A, Kunz R, Akl EA, Schünemann H, Briel M, Nordmann AJ, Pregno S, Oxman AD. Odgaard-Jensen J, et al. Cochrane Database Syst Rev. 2011 Apr 13;2011(4):MR000012. doi: 10.1002/14651858.MR000012.pub3. Cochrane Database Syst Rev. 2011. PMID: 21491415 Free PMC article. Review.
SELECTION CRITERIA: Eligible study designs were cohorts of studies, systematic reviews or meta-analyses of healthcare interventions that compared random allocation versus non-random allocation or adequate versus inadequate/unclear concealment of all …
SELECTION CRITERIA: Eligible study designs were cohorts of studies, systematic reviews or meta-analyses of healthcare interventions that com …
Identification of biologically active peptides using random libraries displayed on phage.
Cortese R, Monaci P, Nicosia A, Luzzago A, Felici F, Galfré G, Pessi A, Tramontano A, Sollazzo M. Cortese R, et al. Curr Opin Biotechnol. 1995 Feb;6(1):73-80. doi: 10.1016/0958-1669(95)80012-3. Curr Opin Biotechnol. 1995. PMID: 7534506 Review.
The range of applications of phage technology has been extended to include the search for peptides binding to molecules other than antibodies, such as cell receptors and enzymes....
The range of applications of phage technology has been extended to include the search for peptides binding to molecules other than an …
Chinese medicinal herbs for mumps.
Shu M, Zhang YQ, Li Z, Liu GJ, Wan C. Shu M, et al. Cochrane Database Syst Rev. 2012 Sep 12;(9):CD008578. doi: 10.1002/14651858.CD008578.pub2. Cochrane Database Syst Rev. 2012. PMID: 22972124 Updated. Review.
We contacted the trial authors for missing data regarding participant allocation. Some trials allocated participants according to the participants' admitting sequence, making it a pseudo-random allocation. ...We identified 102 studies which claimed to use …
We contacted the trial authors for missing data regarding participant allocation. Some trials allocated participants according to the …
Randomization methods in emergency setting trials: a descriptive review.
Corbett MS, Moe-Byrne T, Oddie S, McGuire W. Corbett MS, et al. Res Synth Methods. 2016 Mar;7(1):46-54. doi: 10.1002/jrsm.1163. Epub 2015 Sep 2. Res Synth Methods. 2016. PMID: 26333419 Free PMC article. Review.
We assessed selection bias (baseline imbalances) in prognostic indicators between treatment groups in trials using true randomization versus trials using quasi-randomization. RESULTS: Seven reviews contained 16 trials that used true randomization and 11 that …
We assessed selection bias (baseline imbalances) in prognostic indicators between treatment groups in trials using true randomization …
Propylthiouracil for alcoholic liver disease.
Fede G, Germani G, Gluud C, Gurusamy KS, Burroughs AK. Fede G, et al. Cochrane Database Syst Rev. 2011 Jun 15;2011(6):CD002800. doi: 10.1002/14651858.CD002800.pub3. Cochrane Database Syst Rev. 2011. PMID: 21678335 Free PMC article. Review.
These electronic searches were combined with full text searches. Manufacturers and researchers in the field were also contacted. ...DATA COLLECTION AND ANALYSIS: All analyses were performed according to the intention-to-treat method in RevMan Analyses. The risk of b …
These electronic searches were combined with full text searches. Manufacturers and researchers in the field were also contacte …
158,948 results
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