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

PARTIAL PURIFICATION OF SOLUBLE RNA.

Proc. Natl. Acad. Sci. U.S.A.. 6 1, 1960;46(6):811-22.
Zamecnik PC, Stephenson ML, Scott JF.

THE JOHN COLLINS WARREN LABORATORIES OF THE HUNTINGTON MEMORIAL HOSPITAL OF HARVARD UNIVERSITY, AT THE MASSACHUSETTS GENERAL HOSPITAL, BOSTON.