title: [Periodontology (1). Langdon Down syndrome: mongolism--trisomy 21].
mesh_terms: D000328:Adult; D004314:Down Syndrome / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D006801:Humans; D010518:Periodontitis / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy
vernacular_title: Parodontologie (1). Langdon Down-Syndrome: Mongolismus--Trisomie 21.