title: Late messenger RNA production by viable simian virus 40 mutants with deletions in the leader region.
mesh_terms: D001345:Autoradiography; D001483:Base Sequence; D002460:Cell Line; D004279:DNA, Viral / Q000378:metabolism; D009154:Mutation; D012326:RNA Splicing; D012333:RNA, Messenger / Q000096:biosynthesis*; D012367:RNA, Viral / Q000096:biosynthesis*; D013539:Simian virus 40 / Q000235:genetics* / Q000378:metabolism
chemical_list: D004279:DNA, Viral; D012333:RNA, Messenger; D012367:RNA, Viral