Paper Chase is a research database designed to offer abstracts of research articles published in journals that have a highly rated impact factor as determined by ISI Impact Factor and PageRank. Abstracts are organized by date, with the most recently published papers listed first. 

Paper Chase

Drug development and clinical research in the UK.

Lancet. Jan 20, 2007;369(9557):174-5.
Crowley WF.

Massachusetts General Hospital, Boston, MA 02114, USA.