[Modern methods of preparation & use of smallpox vaccine derived from the calf].
D000818:Animals; D002417:Cattle; D006801:Humans; D007866:Leg; D012899:Smallpox / Q000276:immunology*; D012900:Smallpox Vaccine
D012900:Smallpox Vaccine
SMALLPOX/immunology
Variola-vaccine afkomstig van het kalf; moderne bereidingswijze en gebruik.