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

Immunology. Sensing endotoxins from within.

Science. Sep 13, 2013;341(6151):1184-5.
Kagan JC.

Harvard Medical School and Division of Gastroenterology, Boston Children's Hospital, Boston, MA 02115, USA.