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A new antitumor antibiotic, U-43,120 was discovered. It is produced by fermentation of a new species of Streptomyces, designated Streptomyces paulus DIETZ sp. n. Its antimicrobial activity is limited to bacteria. A microbiological assay with Bacillus s …
A new antitumor antibiotic, U-43,120 was discovered. It is produced by fermentation of a new species of Streptomyces, designat …