Persistence of immunological memory to soluble protein antigens.
D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D001798:Blood Proteins / Q000494:pharmacology*; D006433:Hemocyanins / Q000494:pharmacology; D066298:In Vitro Techniques; D010860:Pigments, Biological / Q000494:pharmacology*; D011817:Rabbits
D000941:Antigens; D001798:Blood Proteins; D010860:Pigments, Biological; D006433:Hemocyanins