title: Practical notes on antibiotic bioassay by the disk method.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001412:Bacillus subtilis / Q000187:drug effects*; D003470:Culture Media; D006863:Hydrogen-Ion Concentration; D008722:Methods; D008826:Microbial Sensitivity Tests
chemical_list: D000900:Anti-Bacterial Agents; D003470:Culture Media