title: Twenty years.
authors.affiliation: Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, USA sidney.altman@yale.edu.
authors.forename: Sidney
authors.initials: S
authors.lastname: Altman
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D011643:Publishing; D012313:RNA
chemical_list: D012313:RNA