Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

My NCBI Filters
Results by year

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

Year Number of Results
2009 1
2010 4
2011 4
2012 7
2013 10
2014 13
2015 8
2016 17
2017 18
2018 30
2019 26
2020 16
2021 23
2022 12
Text availability
Article attribute
Article type
Publication date

Search Results

151 results
Results by year
Filters applied: . Clear all
Page 1
The Invisible Hand of Industry.
Guo XM, Barber EL. Guo XM, et al. Clin Obstet Gynecol. 2022 Jun 1;65(2):260-267. doi: 10.1097/GRF.0000000000000697. Epub 2022 Feb 28. Clin Obstet Gynecol. 2022. PMID: 35476619
Racial disparities in frozen embryo transfer success.
Heyward Q, Walter JR, Alur-Gupta S, Lal A, Berger DS, Koelper N, Butts SF, Gracia CR. Heyward Q, et al. J Assist Reprod Genet. 2021 Dec;38(12):3069-3075. doi: 10.1007/s10815-021-02348-1. Epub 2021 Nov 5. J Assist Reprod Genet. 2021. PMID: 34739643 Free PMC article.
151 results