B.S.TOLBERT,S.D.KENNEDY,S.J.SCHROEDER,T.R.KRUGH, D.H.TURNER. NMR STRUCTURES OF (RGCUGAGGCU)(2) AND (RGCGGAUGCU)(2): PROBING THE STRUCTURAL FEATURES THAT SHAPE THE THERMODYNAMIC STABILITY OF GA PAIRS(,).. BIOCHEMISTRY V. 46 1511 2007 ASTM BICHAW US ISSN 0006-2960