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

In search of a few good apps.

JAMA. May 14, 2014;311(18):1851-2.
Powell AC, Landman AB, Bates DW.

Harvard Medical School, Boston, Massachusetts3Brigham and Women's Hospital, Boston, Massachusetts4Partners Information Systems, Wellesley, Massachusetts5Harvard School of Public Health, Boston, Massachusetts.