title: Electron microscopic evidence for the circular form of RNA in the cytoplasm of eukaryotic cells.
mesh_terms: D002477:Cells / Q000648:ultrastructure*; D003593:Cytoplasm / Q000378:metabolism / Q000648:ultrastructure*; D005057:Eukaryotic Cells / Q000378:metabolism / Q000648:ultrastructure*; D006367:HeLa Cells / Q000648:ultrastructure; D006801:Humans; D012313:RNA / Q000378:metabolism*
chemical_list: D012313:RNA