http://web.ornl.gov/sci/techresources/Human_Genome/
http://www.ncbi.nlm.nih.gov/genemap99/
www.biologia.uniba.it/rmc/0-internal-images/z-ideograms/ideograms.html
http://www.ncbi.nlm.nih.gov/genome/guide/human/
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=OMIM