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
2001 1
2002 2
2005 2
2008 2
2009 2
2010 1
2011 2
2012 2
2014 1
2015 5
2016 4
2019 2
2022 2
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

27 results

Results by year

Filters applied: . Clear all
Page 1
Antivitamins B12.
Kräutler B. Kräutler B. Vitam Horm. 2022;119:221-240. doi: 10.1016/bs.vh.2022.01.003. Epub 2022 Feb 21. Vitam Horm. 2022. PMID: 35337620 No abstract available.
Chlorophyll catabolites.
Kräutler B. Kräutler B. Fortschr Chem Org Naturst. 2008;89:1-43. doi: 10.1007/978-3-211-74019-4_1. Fortschr Chem Org Naturst. 2008. PMID: 18958993 Review. No abstract available.
Vitamin B12: chemistry and biochemistry.
Kräutler B. Kräutler B. Biochem Soc Trans. 2005 Aug;33(Pt 4):806-10. doi: 10.1042/BST0330806. Biochem Soc Trans. 2005. PMID: 16042603 Review.
27 results