1. A Symmetrical Pattern in the Genetic Code: The Triplets of Links in the Genetic Material Which Specify the Detailed Structure of Proteins Have Now Been Identified in Sufficient Numbers to Fall into a Regular Pattern Publication: Produced: 19 March 1963 Subject(s): Amino AcidsNucleotidesRNA, MessengerCodonGenetic Code Archival Collection: The Marshall W. Nirenberg Papers (Profiles in Science)