title: The purification of a gs antigen of the murine mammary tumor virus and its quantitation by radioimmunoassay.
mesh_terms: D000956:Antigens, Viral / Q000302:isolation & purification*; D002846:Chromatography, Affinity; D002848:Chromatography, DEAE-Cellulose; D003208:Concanavalin A; D008324:Mammary Tumor Virus, Mouse / Q000276:immunology*; D011863:Radioimmunoassay
chemical_list: D000956:Antigens, Viral; D003208:Concanavalin A