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

Gene patenting--the Supreme Court finally speaks.

N. Engl. J. Med.. Aug 29, 2013;369(9):869-75.
Kesselheim AS, Cook-Deegan RM, Winickoff DE, Mello MM.

Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, USA.