title: Model for central suppression of immune responsiveness in passive immunological enhancement.
mesh_terms: D000818:Animals; D000888:Antibodies, Anti-Idiotypic; D000917:Antibody Formation; D000918:Antibody Specificity; D005620:Freund's Adjuvant; D006388:Hemagglutinins; D007112:Immunity, Maternally-Acquired; D007114:Immunization; D008297:Male; D008954:Models, Biological; D051381:Rats; D011917:Rats, Inbred Lew
chemical_list: D000888:Antibodies, Anti-Idiotypic; D006388:Hemagglutinins; D005620:Freund's Adjuvant