[In most cases, the following links go to online abstracts of the cited article. Full text is often available online but requires subscription to the Journal, sometimes for a brief period (e.g. 24 hours), at nominal cost.
The Hand Clinic articles are free, downloadable PDFs.]
the articles are from 2004 but many many not have had access to them.
http://intraspec.ca/tos_clinical_studies.php#HandClin

site updated -Last Updated & Modified: 31 March 2008
http://intraspec.ca/tos.php
This site is in our stickys already but it looks like they updated it so I thought a re posting would be nice.

[The three pages of this section on Thoracic Outlet Syndrome (TOS) include a collection of selected, fully referenced excerpts and qualitative links on TOS, with definitions and descriptions, information on the affected anatomy, diagnosic criteria, pathophysiology, epidemiology, Tension Myositis Syndrome (TMS), Repetitive Strain Injury (RSI), treatment strategies and procedures, doctor lists, forums, and clinical papers.]