title: Method for the purification and concentration of Vaccinia-virus.
mesh_terms: D002499:Centrifugation, Density Gradient; D005374:Filtration; D006018:Glycols; D008722:Methods; D011095:Polyethylenes; D014616:Vaccinia virus / Q000302:isolation & purification*
chemical_list: D006018:Glycols; D011095:Polyethylenes