In short. Episode 63, Vaccination /
Episode 63 - Vaccination: Vaccination programs have eradicated some of the world's most devastating diseases, such as smallpox, and polio.
Saved in:
Format: | Electronic Video |
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Language: | English |
Published: |
Derry, NH :
Chip Taylor Communications,
2011.
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Subjects: | |
Online Access: | CONNECT |