title: The immune systems of mice reared in clean and in dirty conventional laboratory farms. II. Primary antibody-forming activity of young and old mice with long life-spans.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000941:Antigens / Q000008:administration & dosage; D001798:Blood Proteins / Q000032:analysis; D001835:Body Weight; D004782:Environmental Health; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006462:Hemolytic Plaque Technique; D006799:Housing, Animal; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007274:Injections, Intraperitoneal; D008136:Longevity; D016403:Lymphoma, Large B-Cell, Diffuse / Q000276:immunology / Q000473:pathology; D008297:Male; D009929:Organ Size; D013154:Spleen / Q000033:anatomy & histology / Q000276:immunology / Q000473:pathology; D013160:Splenic Neoplasms / Q000276:immunology / Q000473:pathology; D013312:Stress, Physiological; D013997:Time Factors
chemical_list: D000941:Antigens; D001798:Blood Proteins; D007074:Immunoglobulin G; D007075:Immunoglobulin M