Heteroduplex of chirally pure R-methylphosphonate/DNA duplex - Thiviyanathan, Varatharasa; Vyazovkina, Katya V.; Gozansky, E. K.; Bichenkova, E.; Abramova, T. V.; Luxon, Bruce A.; Lebedev, A. V.; Gorenstein, David G. (Biological Magnetic Resonance Bank, 2002)