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 quest for an HIV-1 vaccine--moving forward.

N. Engl. J. Med.. Nov 28, 2013;369(22):2073-6.
Barouch DH.

From the Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston; and the Ragon Institute of Massachusetts General Hospital, the Massachusetts Institute of Technology, and Harvard University, Cambridge, MA.