Below are some links to free resources.
http://nccam.nih.gov/news/2011/042611.htm http://www.massagetherapyfoundation.org/researchdb.htmlhttp://www.massagetherapyfoundation.org/electronicjournal.htmlhttp://www.amtamassage.org/research/index.html
Also, The Touch Research Institute of Miami has articles available. Some of these do have a fee involved.
Happy Hunting!