Papillon-Lefevre syndrome: report of four cases.
D000293:Adolescent; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007645:Keratoderma, Palmoplantar / Q000473:pathology*; D008297:Male; D009055:Mouth / Q000473:pathology; D010214:Papillon-Lefevre Disease / Q000235:genetics / Q000473:pathology*; D012867:Skin / Q000473:pathology