title: [The 3 component concept of the immune system from the pediatric viewpoint].
mesh_terms: D000917:Antibody Formation; D002648:Child; D002675:Child, Preschool; D004848:Epithelium / Q000276:immunology; D006801:Humans; D007121:Immunocompetence; D007071:Immunoglobulin A, Secretory / Q000378:metabolism; D007223:Infant; D007231:Infant, Newborn; D007239:Infections / Q000276:immunology*; D009504:Neutrophils / Q000276:immunology; D010587:Phagocytosis; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D007071:Immunoglobulin A, Secretory
vernacular_title: Das Dreikomponentenkonzept des Immunsystems aus pädiatrischer Sicht.