TY - BOOK AU - Ibrahim,Amr Yehia Shahat TI - Biophysical studies on catalyticpnas(ribozymes) PY - 1999/// KW - Catalytic RNA N1 - Thesis (M.S.)--Cairo University,1999; Includes bibliographical references (leaves 138-158); Microfiche; Cairo, Egypt; ASUNET; 3 microfiches:negative ER -