title: An insert for the reorienting gradient rotor for virus extraction from infected plants. 1979.
authors.forename: A
authors.initials: A
authors.lastname: Polson
mesh_terms: D002501:Centrifugation, Zonal / Q000266:history* / Q000379:methods; D049673:History, 20th Century; D009029:Mosaic Viruses / Q000302:isolation & purification* / Q000648:ultrastructure; D014027:Tobacco Mosaic Virus / Q000302:isolation & purification / Q000648:ultrastructure; D014773:Virology / Q000266:history*