Friends: You may find it useful to visit the website of the US National Biological Information Infrastructure [http://www.nbii.gov/about/pubs/news/2006/06Access_spring.htm]. Best wishes. Arun [Subbiah Arunachalam] Friends:   You may find it useful to visit the website of the US National Biological Information Infrastructure [http://www.nbii.gov/about/pubs/news/2006/06Access_spring.htm].   Best wishes.   Arun [Subbiah Arunachalam]