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

My NCBI Filters
Results by year

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

Year Number of Results
2015 3
2016 1
2017 2
2018 2
2020 1
2023 0
Text availability
Article attribute
Article type
Publication date

Search Results

9 results
Results by year
Filters applied: . Clear all
Page 1
Early evolution of radial glial cells in Bilateria.
Helm C, Karl A, Beckers P, Kaul-Strehlow S, Ulbricht E, Kourtesis I, Kuhrt H, Hausen H, Bartolomaeus T, Reichenbach A, Bleidorn C. Helm C, et al. Among authors: kourtesis i. Proc Biol Sci. 2017 Jul 26;284(1859):20170743. doi: 10.1098/rspb.2017.0743. Proc Biol Sci. 2017. PMID: 28724733 Free PMC article.
Convergent evolution of the ladder-like ventral nerve cord in Annelida.
Helm C, Beckers P, Bartolomaeus T, Drukewitz SH, Kourtesis I, Weigert A, Purschke G, Worsaae K, Struck TH, Bleidorn C. Helm C, et al. Among authors: kourtesis i. Front Zool. 2018 Sep 27;15:36. doi: 10.1186/s12983-018-0280-y. eCollection 2018. Front Zool. 2018. PMID: 30275868 Free PMC article.