RNA codewords and protein synthesis, VII. On the general nature of the RNA code. Nirenberg, M. ; Leder, P. ; Bernfield, M. ; Brimacombe, R. ; Trupin, J. ; Rottman, F. ; O'Neal, C. Abstract Publication: Proceedings of the National Academy of Science Pub Date: May 1965 DOI: 10.1073/pnas.53.5.1161 Bibcode: 1965PNAS...53.1161N