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Results by year

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

Year Number of Results
1991 1
1993 2
1994 2
1995 1
1997 2
1999 1
2000 2
2001 3
2003 1
2004 5
2005 7
2006 8
2007 19
2008 23
2009 23
2010 25
2011 28
2012 18
2013 19
2014 22
2015 4
2016 4
2017 4
2018 4
2019 4
2021 17
2022 22
2023 9
2024 1

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Similar articles for PMID: 18595435

251 results

Results by year

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Page 1
Long-term efficacy and safety of zolpidem extended-release 12.5 mg, administered 3 to 7 nights per week for 24 weeks, in patients with chronic primary insomnia: a 6-month, randomized, double-blind, placebo-controlled, parallel-group, multicenter study.
Krystal AD, Erman M, Zammit GK, Soubrane C, Roth T; ZOLONG Study Group. Krystal AD, et al. Sleep. 2008 Jan;31(1):79-90. doi: 10.1093/sleep/31.1.79. Sleep. 2008. PMID: 18220081 Free PMC article. Clinical Trial.
251 results