. "UK" . "Nucleic Acids Res." . "NARHAD" . "0389" . "0305-1048" . "25" . "2627" . "2634" . "10.1093/nar/25.13.2627" . . "Conformational properties and thermodynamics of the RNA duplex r(CGCAAAUUUGCG)2: comparison with the DNA analogue d(CGCAAATTTGCG)2." . . . . .