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

The 3-night hospital stay and Medicare coverage for skilled nursing care.

JAMA. Oct 9, 2013;310(14):1441-2.
Lipsitz LA.

Hebrew SeniorLife, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02131, USA. lipsitz@hsl.harvard.edu