title: Improved protein separation by polyacrylamide gel electrophoresis in the presence of a pH gradient [proceedings].
mesh_terms: D002213:Capsid / Q000032:analysis; D004591:Electrophoresis, Polyacrylamide Gel; D006863:Hydrogen-Ion Concentration; D008970:Molecular Weight; D017955:Poliovirus / Q000032:analysis*; D014764:Viral Proteins / Q000302:isolation & purification*
chemical_list: D014764:Viral Proteins