Research/Research Engines

A list of search engines that dig through published academic and professional research papers/publications:
(also included are scientific journals...unless we put it on a

Legend:
(* = require login to view the work)
($ = require payment in order to d/l the work)
(^ = Scientific Journal)

• http://www.ncbi.nlm.nih.gov/ <- The best resource found up till now

• http://www.chestjournal.org/

• http://scholar.google.com

• Medicine & Science in Sports & Exercise (Journal)

• http://www.ingentaconnect.com (*$)

• http://brief-treatment.oxfordjournals.org/ (*$)

• Chemical Sense Oxford Journal Online (^)