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

Case records of the Massachusetts General Hospital. Case 2-2013. A 20-year-old man with recurrent ear pain, fever, and headache.

N. Engl. J. Med.. Jan 17, 2013;368(3):267-77.
Stankovic KM, Eskandar E, El Khoury JB, Lev MH, Sadow PM.

Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Boston, USA.