Berhane, Beniam. "Rapid Characterization of Posttranscriptional Modifications in RNA Using Matrix Assisted Laser Desorption Ionization Mass Spectrometry and Matrix Assisted Laser Desorption Ionization Post Source Decay Mass Spectrometry." Doctoral dissertation, University of Cincinnati, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1052319621Chicago Manual of Style (17th edition)