Behind the Smile (St. Louis District Dairy Council, 1939)
18:33
Practical Rat Control: Ratproofing (U.S. Army and CDC, 1950)
4:57
Use Your Head (US Navy, 1945)
15:34
Challenge for Habilitation: The Child with Congenital Rubella Syndrome (Texas Children's Hosp, 1977)
3:15
Aseptic Technique: Handwashing (CDC, 1959)
24:33
National Library of Medicine (USPHS, 1963)
27:12
The Human Brain: A Dynamic View... (Robert B. Livingston and Univ of California, 1975)
6:18
What in the World is Arsenic? Arsenic in our Food.
2:53