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Science (New York, N.Y.)|April 15, 1977
Early chemical evolution of nucleic acids: a theoretical modelD A UsherNucleic Acids Research|January 1, 1979
Reverse-phase HPLC of DNA restriction fragments and ribooligonucleotides on uncoated Kel-F powderD A UsherJournal of Physics. Condensed Matter : an Institute of Physics Journal|August 6, 2011
Magnetometry of low-dimensional electron and hole systemsA Usher, M ElliottBioorganic Chemistry|March 19, 2003
Metal ions and the stereochemistry of ribozyme reactionsRalf Stowasser, David A UsherJournal of Experimental Psychology. General|June 1, 1993
Childhood amnesia and the beginnings of memory for four early life eventsJ A Usher, U NeisserNucleic Acids Research|December 11, 1995
A new 2'-hydroxyl protecting group for the automated synthesis of oligoribonucleotidesH Rastogi, D A UsherJournal of Molecular Evolution|November 1, 1979
Geometry of the dry-state oligomerization of 2',3'-cyclic phosphatesD A Usher, D YeeProceedings of the National Academy of Sciences of the United States of America|April 1, 1976
Hydrolytic stability of helical RNA: a selective advantage for the natural 3',5'-bondD A Usher, A H McHaleJournal of Molecular Evolution|January 1, 1984
Stereoselective aminoacylation of a dinucleoside monophosphate by the imidazolides of DL-alanine and N-(tert-butoxycarbonyl)-DL-alanineA T Profy, D A UsherAdvances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)|January 1, 1984
On the stereoselective aminoacylation of RNAD A Usher, M C NeedelsPageof 18