Borders, D B Fermentation, isolation, and characterization of LL-Z1220, a new antibiotic. [electronic resource] - Antimicrobial agents and chemotherapy 1969 - 233-5 p. digital Publication Type: Journal Article Standard No.: 10.1128/AAC.9.2.233 doi Subjects--Topical Terms: AnimalsAnti-Bacterial Agents--pharmacologyBacteria--drug effectsInfections--drug therapyMiceMicrobial Sensitivity Tests