title: Purification and aggregation of influenza virus by precipitation with polyethylene glycol.
mesh_terms: D000818:Animals; D001826:Body Fluids; D002498:Centrifugation; D002642:Chick Embryo; D005590:Fractional Precipitation; D006168:Guinea Pigs / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D008854:Microscopy, Electron; D009439:Neuraminidase; D009975:Orthomyxoviridae / Q000187:drug effects / Q000302:isolation & purification*; D011092:Polyethylene Glycols / Q000494:pharmacology; D011506:Proteins / Q000032:analysis; D011995:Recombination, Genetic; D013045:Species Specificity; D014461:Ultracentrifugation; D014612:Vaccines; D014776:Virus Cultivation
chemical_list: D011506:Proteins; D014612:Vaccines; D011092:Polyethylene Glycols; D009439:Neuraminidase