title: New light on the discovery of penicillin.
mesh_terms: D003470:Culture Media; D049673:History, 20th Century; D008131:London; D010406:Penicillins / Q000266:history*; D010407:Penicillium / Q000302:isolation & purification; D013696:Temperature
chemical_list: D003470:Culture Media; D010406:Penicillins