title: Periodontal disease and blood citrate levels in patients with trisomy 21.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002951:Citrates / Q000097:blood*; D004314:Down Syndrome; D005260:Female; D006801:Humans; D008297:Male; D009909:Oral Health; D010518:Periodontitis; D014059:Tongue / Q000002:abnormalities*
chemical_list: D002951:Citrates