title: Studies of the purification of tumor antigens: progress and problems.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000276:immunology; D000951:Antigens, Neoplasm / Q000302:isolation & purification*; D000956:Antigens, Viral / Q000276:immunology; D007942:Leukemia, Experimental / Q000276:immunology; D051379:Mice; D008807:Mice, Inbred BALB C; D008968:Molecular Conformation; D012513:Sarcoma, Experimental / Q000139:chemically induced / Q000276:immunology; D013539:Simian virus 40 / Q000276:immunology; D012995:Solubility; D013045:Species Specificity; D014764:Viral Proteins / Q000032:analysis
chemical_list: D000914:Antibodies, Viral; D000951:Antigens, Neoplasm; D000956:Antigens, Viral; D014764:Viral Proteins