Citation: J. Gu et al., FORMATION OF 2',3'-CYCLIC PHOSPHATES AT THE 3'-END OF HUMAN U6 SMALL NUCLEAR-RNA IN-VITRO - IDENTIFICATION OF 2',3'-CYCLIC PHOSPHATES AT THE 3'-ENDS OF HUMAN SIGNAL RECOGNITION PARTICLE AND MITOCHONDRIAL RNA PROCESSING RNAS, The Journal of biological chemistry, 272(35), 1997, pp. 21989-21993