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

Caution advised: Medicare's physician-payment data release.

N. Engl. J. Med.. Jul 10, 2014;371(2):101-3.
O'Gara PT.

From the Cardiovascular Division, Brigham and Women's Hospital, Boston.