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 update: immunosuppression minimisation.

Lancet. May 19, 2007;369(9574):1676-8.
Sayegh MH, Remuzzi G.

Transplantation Research Center, Brigham and Women's Hospital and Children's Hospital, Harvard Medical School, Boston, MA, USA.