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

Perspective: Imaging autism.

Nature. Nov 01, 2012;491(7422):S17.
Lange N.

Harvard Medical School, Boston, Massachusetts, USA.