title: An antibacterial substance from several strains of penicillia and its probable identity with penicillin.
mesh_terms: D000900:Anti-Bacterial Agents; D010406:Penicillins; D010407:Penicillium; D011336:Probability; D013180:Sprains and Strains
chemical_list: D000900:Anti-Bacterial Agents; D010406:Penicillins
keywords: PENICILLIN