Jonas Salk's Legacy
Rate:
22,660 ratings
Views: 21,714
From: University of California Television (UCTV)
Added: 18 years ago · 27:33 · 480p
Visit: http://www.uctv.tv) 2004 marked the 50th anniversary of the introduction of the Salk Polio vaccine. Kathleen Murray, Dr.
Comments
No comments yet.