Amplification systems in immunity.
D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D003165:Complement System Proteins; D005815:Genetic Code; D006168:Guinea Pigs; D007109:Immunity; D007110:Immunity, Active; D007111:Immunity, Cellular; D007120:Immunochemistry; D007158:Immunologic Techniques; D008214:Lymphocytes / Q000276:immunology*; D011955:Receptors, Drug
D011955:Receptors, Drug; D003165:Complement System Proteins