Defeat Diphtheria
Defeat Diphtheria
Defeat Diphtheria no Megacine. This film explains with some simple diagrams the nature of diphtheria, tells how the anti-toxin was discovered and shows parents the part they must play in protecting their children.
- Gênero:
- País:
- Diretor: Bladon Peake
- Atores: John Hilton,
