Ticks video
19:51
Bloodborne Pathogens Video
17:15
Strokes video
36:23
Preparing for Disasters video
21:27
Teens, Young Adults, and STDs video
17:13
Diabetes Mellitus video
25:20
No cimo da montanha, três pobres cãezinhos correram a tremer dos arbustos implorando por ajuda
14:42
Do Ticks Fall from Trees? Dr. Mather Reveals the Facts
24:19