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

Organ transplantation in China--not yet a new era--Authors' reply.

Lancet. Aug 30, 2014;384(9945):741-2.
Sun Q, Gao X, Ko DS, Li XC.

Immunobiology and Transplantation Research, Houston Methodist Hospital, Texas Medical Center, Houston, TX, USA.