The assay of polymyxin and its preparations.
D000900:Anti-Bacterial Agents / Q000032:analysis*; D000904:Antibiotics, Antitubercular; D001681:Biological Assay; D003879:Dermatologic Agents; D011113:Polymyxins
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D011113:Polymyxins
ANTIBIOTICS/determination