title: Isolation of vaccinial immunoprecipitinogens.
mesh_terms: D000941:Antigens / Q000032:analysis*; D011232:Chemical Precipitation; D002845:Chromatography; D002850:Chromatography, Gel; D005779:Immunodiffusion; D014616:Vaccinia virus / Q000276:immunology*
chemical_list: D000941:Antigens