title: The chemistry of some antibiotics.
authors.forename: R W
authors.initials: RW
authors.lastname: ELKAS
authors.forename: J E
authors.initials: JE
authors.lastname: CHRISTIAN
mesh_terms: D000900:Anti-Bacterial Agents / Q000737:chemistry*; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D010406:Penicillins / Q000737:chemistry*
chemical_list: D000900:Anti-Bacterial Agents; D000904:Antibiotics, Antitubercular; D003879:Dermatologic Agents; D010406:Penicillins