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

Year Number of Results
1950 1
1968 1
1974 1
1980 1
1982 2
1984 3
1985 2
1992 1
1994 1
1995 1
1997 2
1998 4
1999 2
2000 5
2001 4
2002 1
2003 3
2005 5
2006 3
2007 3
2008 3
2009 4
2010 1
2011 4
2012 3
2013 1
2014 3
2015 4
2016 1
2017 2
2018 1
2019 2
2020 2
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Article attribute
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Publication date

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70 results
Results by year
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Page 1
Environmental factors and the proportion of males at birth in Italy.
Figà-Talamanca I, Carbone P, Lauria L, Spinelli A, Ulizzi L. Figà-Talamanca I, et al. Arch Environ Health. 2003 Feb;58(2):119-24. doi: 10.3200/AEOH.58.2.119-124. Arch Environ Health. 2003. PMID: 12899213
Sex ratio of twin births in Japan.
Imaizumi Y. Imaizumi Y. Hum Hered. 1982;32(2):106-13. doi: 10.1159/000153268. Hum Hered. 1982. PMID: 7095812
Temporal trends in the secondary sex ratio in Nordic countries.
Fellman J, Eriksson AW. Fellman J, et al. Biodemography Soc Biol. 2011;57(2):143-54. doi: 10.1080/19485565.2011.614193. Biodemography Soc Biol. 2011. PMID: 22329084 Clinical Trial.
Sex ratio of triplet births in Japan.
Imaizumi Y. Imaizumi Y. Hum Hered. 1982;32(2):114-20. doi: 10.1159/000153269. Hum Hered. 1982. PMID: 7095813
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