title: Analysis of human chromosomal variants by quantitative electron microscopy. II. Ring chromosome 18.
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations; D002902:Chromosomes, Human, 16-18 / Q000032:analysis*; D046508:Culture Techniques; D004247:DNA; D005260:Female; D006801:Humans; D008214:Lymphocytes / Q000166:cytology; D008854:Microscopy, Electron; D010641:Phenotype
chemical_list: D004247:DNA