An official website of the United States government
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.
Clay Z, Pika S, Gruber T, Zuberbühler K.Clay Z, et al. Among authors: gruber t.Biol Lett. 2011 Aug 23;7(4):513-6. doi: 10.1098/rsbl.2010.1227. Epub 2011 Feb 16.Biol Lett. 2011.PMID: 21325305Free PMC article.
Gruber T, Singleton I, van Schaik C.Gruber T, et al.Curr Biol. 2012 Dec 4;22(23):2231-5. doi: 10.1016/j.cub.2012.09.041. Epub 2012 Nov 8.Curr Biol. 2012.PMID: 23142043Free article.