title: Built-in hapten inhibition of anaphylaxis by the low molecular weight subfractions of a B 512 dextran fraction of MW 3,400.
mesh_terms: D000707:Anaphylaxis / Q000276:immunology*; D000818:Animals; D000942:Antigens, Bacterial / Q000302:isolation & purification; D002850:Chromatography, Gel; D003911:Dextrans / Q000302:isolation & purification*; D006168:Guinea Pigs; D007106:Immune Sera; D007934:Leuconostoc / Q000276:immunology; D008970:Molecular Weight; D011817:Rabbits / Q000276:immunology
chemical_list: D000942:Antigens, Bacterial; D003911:Dextrans; D007106:Immune Sera