TY - JOUR T1 - 7-DEAZAADENOSINE - OLIGORIBONUCLEOTIDE BUILDING-BLOCK SYNTHESIS AND AUTOCATALYTIC HYDROLYSIS OF BASE-MODIFIED HAMMERHEAD RIBOZYMES JO - HELV CHIM ACTA PY - 1993/01/01 AU - SEELA F AU - MERSMANN K AU - GRASBY JA AU - GAIT MJ ED - VL - 76 IS - 5 SP - 1809 EP - 1820 Y2 - 2025/07/26 ER -