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.

Https

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

Filters

My Custom Filters

Results by year

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

Year Number of Results
1995 1
1996 2
1997 1
1999 1
2000 1
2001 1
2002 1
2003 4
2004 1
2005 2
2006 4
2007 4
2008 1
2009 4
2010 6
2011 7
2012 3
2013 3
2014 1
2015 1
2017 1
2018 1
2019 3
2020 4
2021 5
2022 3
2023 1
2024 4
2025 5

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

71 results

Results by year

Filters applied: . Clear all
Page 1
[Prevention of anencephaly-spina bifida].
Antal R, Siffel C, Czeizel E. Antal R, et al. Among authors: siffel c. Orv Hetil. 1996 Jan 14;137(2):100. Orv Hetil. 1996. PMID: 8721879 Hungarian. No abstract available.
Reporting birth defects surveillance data 1968-2003.
Correa A, Cragan JD, Kucik JE, Alverson CJ, Gilboa SM, Balakrishnan R, Strickland MJ, Duke CW, O'Leary LA, Riehle-Colarusso T, Siffel C, Gambrell D, Thompson D, Atkinson M, Chitra J. Correa A, et al. Among authors: siffel c. Birth Defects Res A Clin Mol Teratol. 2007 Feb;79(2):65-186. doi: 10.1002/bdra.20350. Birth Defects Res A Clin Mol Teratol. 2007. PMID: 17278144 No abstract available.
71 results