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

Year Number of Results
1972 1
1976 8
1979 2
1980 1
1981 1
1984 1
1986 2
1989 1
1990 3
1991 1
1993 2
1995 4
1996 1
1997 1
1999 2
2000 1
2003 3
2004 8
2005 5
2006 1
2007 5
2008 5
2009 6
2010 5
2011 8
2012 2
2013 4
2014 4
2015 6
2016 8
2017 2
2018 1
2019 2
2020 5
2022 2
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Article attribute
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Publication date

Similar articles for PMID: 21863608

114 results
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Page 1
Maintenance of board certification.
Robertson RG. Robertson RG. J Am Board Fam Pract. 2003 Sep-Oct;16(5):466-7; discussion 467. J Am Board Fam Pract. 2003. PMID: 14645340 Free article. No abstract available.
114 results