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
. 1959 Feb;31(1):21-31.

Speculations on the interrelations of the history of tools and biological evolution

S L WASHBURN
  • PMID: 13640649

Speculations on the interrelations of the history of tools and biological evolution

S L WASHBURN. Hum Biol. 1959 Feb.
No abstract available

PubMed Disclaimer