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

Refining the American guidelines for prevention of cardiovascular disease - Authors' reply.

Lancet. Feb 15, 2014;383(9917):600.
Ridker PM, Cook NR.

Center for Cardiovascular Disease Prevention, Divisions of Preventive Medicine and Cardiology, Brigham and Women's Hospital, Boston, MA 02215, USA.