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

Year Number of Results
1948 1
1959 10
1960 38
1961 53
1962 36
1966 1
1967 1
1970 1
1976 1
1978 1
1979 1
1984 1
1992 5
1993 3
1994 71
1995 177
1996 172
1997 181
1998 174
1999 213
2000 286
2001 285
2002 252
2003 523
2004 565
2005 627
2006 733
2007 747
2008 698
2009 1246
2010 1693
2011 1796
2012 1659
2013 1736
2014 1468
2015 1308
2016 1237
2017 1153
2018 1120
2019 1175
2020 8735
2021 8857
2022 1546
2023 398
2024 4324
2025 3194

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44,279 results

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Page 1
Etiologies of acute respiratory tract infections.
Mandell LA. Mandell LA. Clin Infect Dis. 2005 Aug 15;41(4):503-6. doi: 10.1086/432019. Epub 2005 Jul 15. Clin Infect Dis. 2005. PMID: 16028159 Free PMC article. No abstract available.
Respiratory tract infections.
Russell G. Russell G. Paediatr Respir Rev. 2003 Jun;4(2):83. doi: 10.1016/s1526-0542(03)00020-4. Paediatr Respir Rev. 2003. PMID: 12758043 No abstract available.
Respiratory tract infections and pneumonia.
McChlery S, Ramage G, Bagg J. McChlery S, et al. Periodontol 2000. 2009 Feb;49(1):151-65. doi: 10.1111/j.1600-0757.2008.00278.x. Periodontol 2000. 2009. PMID: 19152532 Free PMC article. Review. No abstract available.
Influenza virus.
Rivera J, Neira M, Sarmiento L, Parra E, Caldas ML. Rivera J, et al. Biomedica. 2016 Jun 3;36(2):174-5. doi: 10.7705/biomedica.v36i3.3145. Biomedica. 2016. PMID: 27622477 Free article. No abstract available.
44,279 results
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