title: Natural antibodies in human immune surveillance.
mesh_terms: D000328:Adult; D000906:Antibodies / Q000032:analysis*; D002648:Child; D003165:Complement System Proteins; D003601:Cytotoxicity Tests, Immunologic; D006801:Humans; D008214:Lymphocytes / Q000187:drug effects / Q000276:immunology*; D009439:Neuraminidase / Q000494:pharmacology
chemical_list: D000906:Antibodies; D003165:Complement System Proteins; D009439:Neuraminidase