title: Predecessors of penicillin.
authors.forename: W
authors.initials: W
authors.lastname: SCHWEISHEIMER
mesh_terms: D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D006801:Humans; D010406:Penicillins / Q000266:history*
chemical_list: D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D010406:Penicillins