[Titration of gramicidin by the agar diffusion method with the use of openings].
D000362:Agar; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D000904:Antibiotics, Antitubercular; D001681:Biological Assay / Q000600:supply & distribution*; D003879:Dermatologic Agents; D004864:Equipment and Supplies; D006096:Gramicidin; D006801:Humans
D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D006096:Gramicidin; D000362:Agar
ANTIBIOTICS/pharmacology; BIOLOGICAL ASSAY/equipment and supplies