title: A brief concept of clinical immunology.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007154:Immune System Diseases / Q000276:immunology / Q000628:therapy; D007223:Infant; D007231:Infant, Newborn; D008297:Male