The third group (blue) includes 34 keywords, such as ‘gene’, ‘duchenne’, ‘dmd’, ‘dystrophin’, ‘protein’, ‘mutation’, ‘carriers’, ‘DNA’, ‘deletion’, ‘locus’, ‘duplications’, ‘phenotype’, ‘complex’, ‘cancer’, ‘deficiency’, ‘molecular basis’, ‘central nervous system’, ‘database’ and ‘association’. This evidence concerns the gene DMD and cancer.