title: Cytogenetics of ring chromosome 7.
mesh_terms: D002648:Child; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D002906:Chromosomes, Human, 6-12 and X / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D009030:Mosaicism; D009508:Nevus, Pigmented / Q000235:genetics*