title: [A new case of ring chromosome 9].
mesh_terms: D002869:Chromosome Aberrations / Q000235:genetics*; D002872:Chromosome Deletion; D025063:Chromosome Disorders; D002906:Chromosomes, Human, 6-12 and X / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000235:genetics; D008831:Microcephaly / Q000235:genetics
vernacular_title: Une nouvelle observation de chromosome 9 en anneau.