title: T-cell subsets in children with pertussis.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008218:Lymphocytosis / Q000209:etiology; D008297:Male; D013601:T-Lymphocytes / Q000145:classification*; D014917:Whooping Cough / Q000150:complications / Q000276:immunology*