title: Immunserum to a protein which reduces the biological activity of histamine.
mesh_terms: D000818:Animals; D001798:Blood Proteins / Q000302:isolation & purification*; D006634:Histamine H1 Antagonists / Q000302:isolation & purification*; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D011817:Rabbits / Q000276:immunology; D013552:Swine / Q000276:immunology
chemical_list: D001798:Blood Proteins; D006634:Histamine H1 Antagonists; D007106:Immune Sera