title: John Northrop--definitive study of enzymes.
authors.forename: M A
authors.initials: MA
authors.lastname: Shampo
authors.forename: R A
authors.initials: RA
authors.lastname: Kyle
mesh_terms: D001671:Biochemistry / Q000266:history*; D002618:Chemical Warfare / Q000266:history*; D004798:Enzymes / Q000266:history*; D005681:Gabon; D049673:History, 20th Century; D009613:Nobel Prize; D010434:Pepsin A / Q000266:history; D010678:Philately; D014481:United States
chemical_list: D004798:Enzymes; D010434:Pepsin A