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

Year Number of Results
1973 1
1982 2
1983 1
1988 1
1990 3
1991 3
1992 4
1994 2
1995 2
1996 8
1997 6
1998 9
1999 6
2000 14
2001 12
2002 17
2003 18
2004 28
2005 32
2006 31
2007 59
2008 51
2009 36
2010 20
2011 25
2012 26
2013 23
2014 20
2015 28
2016 28
2017 16
2018 23
2019 17
2020 25
2021 19
2022 13
2023 4
2024 0

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Similar articles for PMID: 18827041

558 results

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Page 1
Sample size calculator for cluster randomized trials.
Campbell MK, Thomson S, Ramsay CR, MacLennan GS, Grimshaw JM. Campbell MK, et al. Comput Biol Med. 2004 Mar;34(2):113-25. doi: 10.1016/S0010-4825(03)00039-8. Comput Biol Med. 2004. PMID: 14972631
558 results