title: Anaphylatoxin--the rebirth of an old concept.
mesh_terms: D000486:Allergy and Immunology / Q000266:history; D000707:Anaphylaxis / Q000276:immunology; D000937:Antigen-Antibody Reactions; D003165:Complement System Proteins; D049673:History, 20th Century; D014118:Toxins, Biological / Q000097:blood*
chemical_list: D014118:Toxins, Biological; D003165:Complement System Proteins