title: Helical ribonucleoproteins of influenza virus: an electron microscopic analysis.
mesh_terms: D010450:Endopeptidases / Q000378:metabolism; D009980:Influenza A virus / Q000187:drug effects / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009698:Nucleoproteins / Q000032:analysis*; D011092:Polyethylene Glycols / Q000494:pharmacology; D012367:RNA, Viral / Q000032:analysis; D012260:Ribonucleases / Q000378:metabolism; D012261:Ribonucleoproteins / Q000032:analysis*; D014764:Viral Proteins / Q000032:analysis*
chemical_list: D009698:Nucleoproteins; D012367:RNA, Viral; D012261:Ribonucleoproteins; D014764:Viral Proteins; D011092:Polyethylene Glycols; D012260:Ribonucleases; D010450:Endopeptidases