title: Prevalence of Bacteroides melaninogenicus in the gingival crevice area of institutionalized trisomy 21 and cerebral palsy patients and normal children.
mesh_terms: D001439:Bacteroides / Q000302:isolation & purification*; D002547:Cerebral Palsy; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome; D006801:Humans; D010510:Periodontal Diseases / Q000382:microbiology*