title: Studies on the 19S type immunological memory to phi chi 174 phage in an in vitro system.
mesh_terms: D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens; D001435:Bacteriophages / Q000276:immunology*; D066298:In Vitro Techniques; D008722:Methods; D017955:Poliovirus / Q000276:immunology*; D013997:Time Factors
chemical_list: D000941:Antigens