title: Viroids. Subcellular location and structure of replicative intermediates.
mesh_terms: D002466:Cell Nucleolus / Q000032:analysis / Q000382:microbiology*; D009690:Nucleic Acid Conformation; D010944:Plants / Q000382:microbiology; D012367:RNA, Viral / Q000032:analysis*; D014772:Viroids / Q000032:analysis / Q000235:genetics / Q000502:physiology* / Q000648:ultrastructure; D014779:Virus Replication
chemical_list: D012367:RNA, Viral