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

Year Number of Results
1986 1
1989 1
2002 1
2004 1
2005 1
2006 5
2007 7
2008 65
2009 98
2010 125
2011 111
2012 116
2013 108
2014 53
2015 34
2016 15
2017 13
2018 2
2019 3
2020 2
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671 results
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Page 1
Perfect-use and typical-use Pearl Index of a contraceptive mobile app.
Berglund Scherwitzl E, Lundberg O, Kopp Kallner H, Gemzell Danielsson K, Trussell J, Scherwitzl R. Berglund Scherwitzl E, et al. Contraception. 2017 Dec;96(6):420-425. doi: 10.1016/j.contraception.2017.08.014. Epub 2017 Sep 4. Contraception. 2017. PMID: 28882680 Free PMC article.
Short- and long-term effect of contraceptive methods on fecundity.
Berglund Scherwitzl E, Lundberg O, Kopp Kallner H, Rowland SP, Holte J, Trussell J, Gemzell Danielsson K, Scherwitzl R. Berglund Scherwitzl E, et al. Eur J Contracept Reprod Health Care. 2019 Aug;24(4):260-265. doi: 10.1080/13625187.2019.1621999. Epub 2019 Jun 21. Eur J Contracept Reprod Health Care. 2019. PMID: 31223036 Free PMC article. Clinical Trial.
Retraction. PKNOX2 gene is significantly associated with substance dependence in European-origin women.
Chen X, Cho K, Singer BH, Zhang H. Chen X, et al. Proc Natl Acad Sci U S A. 2009 Oct 6;106(40):17241. doi: 10.1073/pnas.0910252106. Epub 2009 Sep 9. Proc Natl Acad Sci U S A. 2009. PMID: 19805159 Free PMC article. No abstract available.
Health across the life span in the United States and England.
Martinson ML, Teitler JO, Reichman NE. Martinson ML, et al. Am J Epidemiol. 2011 Apr 15;173(8):858-65. doi: 10.1093/aje/kwq325. Epub 2011 Mar 9. Am J Epidemiol. 2011. PMID: 21389038 Free PMC article.
Movement between Mexico and Canada: Analysis of a New Migration Stream.
Massey D, Brown AE. Massey D, et al. Int Migr. 2011 Jan 1;6(1):119-144. Int Migr. 2011. PMID: 24347678 Free PMC article.
Contraceptive failure in the United States.
Trussell J. Trussell J. Contraception. 2011 May;83(5):397-404. doi: 10.1016/j.contraception.2011.01.021. Epub 2011 Mar 12. Contraception. 2011. PMID: 21477680 Free PMC article. Review.
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