title: Medical immunology. Introduction.
authors.forename: G
authors.initials: G
authors.lastname: Virella
mesh_terms: D000486:Allergy and Immunology; D000917:Antibody Formation; D003140:Communicable Disease Control; D007111:Immunity, Cellular; D016131:Lymphocyte Subsets; D008221:Lymphoid Tissue / Q000276:immunology; D008954:Models, Biological