title: An improved procedure for isolation of ragweed pollen allergen Ra5.
mesh_terms: D000595:Amino Acid Sequence; D000937:Antigen-Antibody Reactions; D002850:Chromatography, Gel; D004589:Electrophoresis, Disc; D005779:Immunodiffusion; D007525:Isoelectric Focusing; D010936:Plant Extracts; D011058:Pollen / Q000032:analysis*; D011863:Radioimmunoassay
chemical_list: D010936:Plant Extracts