SINGLE-DOSE ASSAY TECHNIQUE FOR VARIOLA VIRUS.
D000818:Animals; D001681:Biological Assay; D002642:Chick Embryo; D004531:Eggs; D005612:Freeze Drying; D051379:Mice; D010406:Penicillins; D016012:Poisson Distribution; D012106:Research; D013307:Streptomycin; D012901:Variola virus
D010406:Penicillins; D013307:Streptomycin
BIOLOGICAL ASSAY; CHICK EMBRYO; EXPERIMENTAL LAB STUDY; MICE; PENICILLIN; SMALLPOX VIRUS; STREPTOMYCIN