Defeat Diphtheria
Defeat Diphtheria
'defeat diphtheria' Cuevana 3 - Cuevana 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.
- Género:
- País:
- Director: Bladon Peake
- Actores: John Hilton,
