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

EXTRACTION OF COLLAGEN FROM CONNECTIVE TISSUE BY NEUTRAL SALT SOLUTIONS.

Proc. Natl. Acad. Sci. U.S.A.. Jan 15, 1955;41(1):1-7.
Gross J, Highberger JH, Schmitt FO.

DEPARTMENT OF MEDICINE, MASSACHUSETTS GENERAL HOSPITAL, AND HARVARD MEDICAL SCHOOL, BOSTON.