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

Expression of transducin in retinal rod photoreceptor outer segments.

Science. Aug 12, 1988;241(4867):845-7.
Roof DJ, Heth CA.

Berman-Gund Laboratory, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston 02114.