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

Year Number of Results
1997 2
1998 3
1999 4
2000 3
2001 7
2002 4
2004 2
2005 5
2006 2
2007 2
2008 2
2012 2
2013 1
2014 2
2021 0
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40 results
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Page 1
The coming-of-age of the hygiene hypothesis.
Martinez FD. Martinez FD. Respir Res. 2001;2(3):129-32. doi: 10.1186/rr48. Epub 2001 Apr 2. Respir Res. 2001. PMID: 11686875 Free PMC article. Review.
Is there a common cold constitution?
Ball TM, Holberg CJ, Martinez FD, Wright AL. Ball TM, et al. Ambul Pediatr. 2002 Jul-Aug;2(4):261-7. doi: 10.1367/1539-4409(2002)002<0261:itaccc>2.0.co;2. Ambul Pediatr. 2002. PMID: 12135399
Genetic variation in vascular endothelial growth factor-a and lung function.
Simpson A, Custovic A, Tepper R, Graves P, Stern DA, Jones M, Hankinson J, Curtin JA, Wu J, Blekic M, Bukvic BK, Aberle N, Marinho S, Belgrave D, Morgan WJ, Martinez FD. Simpson A, et al. Am J Respir Crit Care Med. 2012 Jun 1;185(11):1197-204. doi: 10.1164/rccm.201112-2191OC. Epub 2012 Mar 29. Am J Respir Crit Care Med. 2012. PMID: 22461367 Free PMC article.
40 results