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

Clinical problem-solving. A curious case of chest pain.

N. Engl. J. Med.. Nov 07, 2013;369(19):1844-50.
Liao JM, Stewart GC, Padera RF, Miller AL, Loscalzo J.

From the Departments of Medicine (J.M.L., G.C.S., A.L.M., J.L.) and Pathology (R.F.P.), Brigham and Women's Hospital and Harvard Medical School, Boston.