title: Estimate of absolute specific infectivity of wound tumor virus purified with polyethylene glycol.
mesh_terms: D002021:Buffers; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D002712:Chlorides; D005455:Fluorescent Antibody Technique; D005998:Glycine; D006018:Glycols; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D008274:Magnesium; D008722:Methods; D008851:Micropore Filters; D008856:Microscopy, Fluorescence; D010935:Plant Diseases; D010936:Plant Extracts; D010942:Plant Viruses / Q000254:growth & development / Q000302:isolation & purification / Q000472:pathogenicity*; D012965:Sodium Chloride; D014779:Virus Replication
chemical_list: D002021:Buffers; D002712:Chlorides; D006018:Glycols; D010936:Plant Extracts; D012965:Sodium Chloride; D006639:Histidine; D008274:Magnesium; D005998:Glycine