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

A beneficial side effect of the Medicare drug benefit.

N. Engl. J. Med.. Dec 29, 2005;353(26):2742-3.
Platt R, Ommaya A.

Department of Ambulatory Care and Prevention, Harvard Medical School and Harvard Pilgrim Health Care, Boston, USA.