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Results by year

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

Year Number of Results
1995 1
1996 1
1998 1
1999 3
2000 5
2001 2
2002 5
2003 7
2004 8
2005 11
2006 5
2007 7
2008 5
2009 2
2010 5
2011 5
2012 5
2013 3
2014 3
2015 4
2016 3
2019 3
2020 6
2021 3
2022 2
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 21747102

98 results
Results by year
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Page 1
Placebo effects and the common cold: a randomized controlled trial.
Barrett B, Brown R, Rakel D, Rabago D, Marchand L, Scheder J, Mundt M, Thomas G, Barlow S. Barrett B, et al. Ann Fam Med. 2011 Jul-Aug;9(4):312-22. doi: 10.1370/afm.1250. Ann Fam Med. 2011. PMID: 21747102 Free PMC article. Clinical Trial.
Echinacea for treating the common cold: a randomized trial.
Barrett B, Brown R, Rakel D, Mundt M, Bone K, Barlow S, Ewers T. Barrett B, et al. Ann Intern Med. 2010 Dec 21;153(12):769-77. doi: 10.7326/0003-4819-153-12-201012210-00003. Ann Intern Med. 2010. PMID: 21173411 Free PMC article. Clinical Trial.
98 results