nuclear magnetic resonance spectroscopy of nucleic acids
... that nearly half of all known RNA structures were determined through nuclear magnetic resonance spectroscopy of nucleic acids?
... that nearly half of all known <a href="./Nucleic_acid_tertiary_structure" id="mwAqo" rel="mw:WikiLink" title="Nucleic acid tertiary structure">RNA structures</a> were determined through <b id="mwAqs"><a href="./Nuclear_magnetic_resonance_spectroscopy_of_nucleic_acids" id="mwAqw" rel="mw:WikiLink" title="Nuclear magnetic resonance spectroscopy of nucleic acids">nuclear magnetic resonance spectroscopy of nucleic acids</a></b>?