title: The role of cellular and humoral factors in infections.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D001424:Bacterial Infections / Q000276:immunology*; D001854:Bone Marrow Cells; D016026:Bone Marrow Transplantation; D003165:Complement System Proteins / Q000378:metabolism; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology; D007109:Immunity; D007111:Immunity, Cellular; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007136:Immunoglobulins / Q000096:biosynthesis; D007165:Immunosuppression Therapy; D009181:Mycoses / Q000276:immunology*; D010272:Parasitic Diseases / Q000276:immunology; D011528:Protozoan Infections / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology; D014184:Transplantation, Homologous; D014777:Virus Diseases / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins; D003165:Complement System Proteins