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

The evolution of population science: advent of the mega cohort.

JAMA. Nov 24, 2010;304(20):2288-9.
Gaziano JM.

Massachusetts Veterans Research and Information Center, VA Boston Healthcare System, and Division of Aging, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.