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

New oral anticoagulants in patients with atrial fibrillation - Authors'reply.

Lancet. Jul 05, 2014;384(9937):25-6.
Ruff CT, Giugliano RP, Braunwald E, Antman EM.

Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA.