title: Physical and chemical properties of H-1 virus. II. Partial purification.
mesh_terms: D000818:Animals; D006224:Cricetinae; D006386:Hemagglutination Tests; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D014461:Ultracentrifugation; D014780:Viruses