Saturday, 6 March 2010

Edward Jenner and Smallpox

http://www.bbc.co.uk/learningzone/clips/edward-jenner-the-discovery-of-smallpox-vaccine/2456.html
Posted by at

1 comment:

  1. Robin Hood Science Zone6 March 2010 at 11:11

    Copy and paste the link above into your browser to view the website.

    ReplyDelete

Subscribe to: Post Comments (Atom)