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

Year Number of Results
1993 2
1995 2
1996 1
1997 1
1998 1
1999 4
2000 1
2001 6
2002 3
2003 5
2004 1
2005 2
2006 1
2007 2
2008 3
2009 6
2010 5
2011 1
2012 1
2013 1
2014 1
2015 1
2018 1
2019 2
2020 1
2021 3
2022 1
2025 0

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Page 1
Does generic substitution always make sense?
Greenberg PE. Greenberg PE. J Med Econ. 2008;11(3):547-53. doi: 10.3111/13696990802371075. J Med Econ. 2008. PMID: 19450104 Free article. No abstract available.
Confounding factors in off-label drug use.
Greenberg PE, Pike C, Sisitsky T. Greenberg PE, et al. Health Aff (Millwood). 2012 Feb;31(2):460; author reply 460. doi: 10.1377/hlthaff.2011.1394. Health Aff (Millwood). 2012. PMID: 22323178 No abstract available.
59 results