title: The separation of haemagglutination inhibitors from antibodies to parainfluenza viruses by gel filtration on a Sephadex G-200 column.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000302:isolation & purification*; D002850:Chromatography, Gel; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral / Q000037:antagonists & inhibitors*; D011817:Rabbits; D018108:Respirovirus / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D006389:Hemagglutinins, Viral