title: [Basic types of allergic reactions].
mesh_terms: D000707:Anaphylaxis / Q000276:immunology; D000743:Anemia, Hemolytic / Q000276:immunology; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D001327:Autoimmune Diseases; D001787:Blood Group Incompatibility / Q000276:immunology; D003877:Dermatitis, Contact / Q000276:immunology; D006801:Humans; D006967:Hypersensitivity / Q000276:immunology*; D006968:Hypersensitivity, Delayed / Q000276:immunology
vernacular_title: I tipi fondamentali di reazioni allergiche.