http://www.ncbi.nlm.nih.gov/entrez/query.fcgi
related:http://www.endnote.com/
http://www.pcmag.com
www.msn.com
www.biomedcentral.com
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=14577425
http://bmj.bmjjournals.com/cgi/citmgr?gca=bmj;328/7439/555
