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

Year Number of Results
1987 6
1988 5
1989 4
1990 3
1991 7
1992 12
1993 7
1994 8
1995 2
1996 4
1997 7
1998 5
1999 10
2000 7
2001 16
2002 14
2003 21
2004 14
2005 25
2006 31
2007 17
2008 22
2009 19
2010 16
2011 16
2012 15
2013 7
2014 7
2015 4
2016 3
2018 3
2019 3
2021 1
2024 0

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Page 1
Heroin maintenance for chronic heroin-dependent individuals.
Ferri M, Davoli M, Perucci CA. Ferri M, et al. Among authors: perucci ca. Cochrane Database Syst Rev. 2011 Dec 7;2011(12):CD003410. doi: 10.1002/14651858.CD003410.pub4. Cochrane Database Syst Rev. 2011. PMID: 22161378 Free PMC article. Review.
319 results