title: Increased susceptibility to infections in the Papillon-Lefèvre syndrome.
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D007645:Keratoderma, Palmoplantar / Q000276:immunology*; D008213:Lymphocyte Activation; D010214:Papillon-Lefevre Disease / Q000276:immunology*; D010510:Periodontal Diseases / Q000276:immunology; D014080:Tooth Exfoliation / Q000276:immunology