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

Year Number of Results
1950 1
1957 1
1958 1
1960 1
1961 1
1962 4
1963 1
1964 3
1965 45
1966 197
1967 219
1968 277
1969 293
1970 365
1971 382
1972 481
1973 584
1974 670
1975 994
1976 1320
1977 1325
1978 1562
1979 1976
1980 2290
1981 2657
1982 3028
1983 3573
1984 3708
1985 4374
1986 4995
1987 5705
1988 5811
1989 6971
1990 7719
1991 8132
1992 8811
1993 9747
1994 11668
1995 12811
1996 12731
1997 13393
1998 14411
1999 15723
2000 17209
2001 18139
2002 19191
2003 21193
2004 23670
2005 25588
2006 27492
2007 29388
2008 31176
2009 33041
2010 35828
2011 39800
2012 43280
2013 47369
2014 48836
2015 50225
2016 51005
2017 51963
2018 53335
2019 56642
2020 63534
2021 67332
2022 66656
2023 62639
2024 60406
2025 316

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1,087,365 results

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Page 1
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.
Randomized controlled trial is widely accepted as the best design for evaluating the efficacy of a new treatment because of the advantages of randomization (random allocation). ...Despite its importance, randomization has not been properl
Randomized controlled trial is widely accepted as the best design for evaluating the efficacy of a new treatment because of th
Randomization: The forgotten component of the randomized clinical trial.
Rosenberger WF, Uschner D, Wang Y. Rosenberger WF, et al. Stat Med. 2019 Jan 15;38(1):1-12. doi: 10.1002/sim.7901. Epub 2018 Jul 25. Stat Med. 2019. PMID: 30047159 Review.
-Peter Armitage ("Sequential tests in prophylactic and therapeutic trials" in Quarterly Journal of Medicine, 1954;23(91):255-274). Randomization has been the hallmark of the clinical trial since Sir Bradford Hill adopted it in the 1946 streptomycin …
-Peter Armitage ("Sequential tests in prophylactic and therapeutic trials" in Quarterly Journal of Medicine, 1954;23(91):255-274). …
Blocked randomization with randomly selected block sizes.
Efird J. Efird J. Int J Environ Res Public Health. 2011 Jan;8(1):15-20. doi: 10.3390/ijerph8010015. Epub 2010 Dec 23. Int J Environ Res Public Health. 2011. PMID: 21318011 Free PMC article.
When planning a randomized clinical trial, careful consideration must be given to how participants are selected for various arms of a study. Selection and accidental bias may occur when participants are not assigned to study groups with equal probability. A s …
When planning a randomized clinical trial, careful consideration must be given to how participants are selected for var …
When can a clinical trial be called 'randomized'?
Berger VW, Bears JD. Berger VW, et al. Vaccine. 2003 Jan 17;21(5-6):468-72. doi: 10.1016/s0264-410x(02)00475-9. Vaccine. 2003. PMID: 12531645 Review.
It is widely recognized that, in the context of the evaluation of medical interventions, randomized clinical trials constitute the gold standard. This is because randomization tends to balance both measured and unmeasured baseline characteristics, allo …
It is widely recognized that, in the context of the evaluation of medical interventions, randomized clinical trials con …
A fair trial?
Altman DG. Altman DG. Br Med J (Clin Res Ed). 1984 Aug 11;289(6441):336-7. doi: 10.1136/bmj.289.6441.336. Br Med J (Clin Res Ed). 1984. PMID: 6432086 Free PMC article. No abstract available.
Randomization and allocation concealment: a practical guide for researchers.
Doig GS, Simpson F. Doig GS, et al. J Crit Care. 2005 Jun;20(2):187-91; discussion 191-3. doi: 10.1016/j.jcrc.2005.04.005. J Crit Care. 2005. PMID: 16139163
Although the randomized controlled trial is the most important tool currently available to objectively assess the impact of new treatments, the act of randomization itself is often poorly conducted and incompletely reported. ...We will outline how to prepare …
Although the randomized controlled trial is the most important tool currently available to objectively assess the impact of ne …
The randomized clinical trial.
Brown BW Jr. Brown BW Jr. Stat Med. 1984 Oct-Dec;3(4):307-14. doi: 10.1002/sim.4780030403. Stat Med. 1984. PMID: 6528130 No abstract available.
Randomized controlled trials.
Schulz KF. Schulz KF. Clin Obstet Gynecol. 1998 Jun;41(2):245-56. doi: 10.1097/00003081-199806000-00005. Clin Obstet Gynecol. 1998. PMID: 9646957 Review. No abstract available.
1,087,365 results
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