Drug – bio-affecting and body treating compositions – Lymphokine
Patent
1975-12-29
1977-02-15
Rosen, Sam
Drug, bio-affecting and body treating compositions
Lymphokine
195 14, 195 18, A61K 3912
Patent
active
040083179
ABSTRACT:
Non-pathogenic varicella-zoster virus mutants are obtained by induction and isolation of temperature-sensitive mutant strains. N-methyl-N'-nitro-N-nitrosoguanidine is employed as mutagenic agent. The obtained mutants are useful for vaccine production.
REFERENCES:
ledinko et al., --Chem. Abst., vol. 80, (1974), p. 56297w.
Casto et al.,--Chem. Abst., vol. 81, (1974), p. 22072z.
Edgerton William H.
Lourie Alan D.
Recherche et Industrie Therapeutiques (R.I.T.)
Rosen Sam
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