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

Russia: Drug-resistant TB can be contained.

Nature. Feb 20, 2014;506(7488):295.
Lessem E, Keshavjee S.

Harvard Medical School, Boston, Massachusetts, USA.