http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12126173&dopt=Abstract
Altern Ther Health Med 2002 Jul-Aug;8(4):50-5
Hinman MR, Ford J, Heyl H.
Department of Physical Therapy, University of Texas Medical Branch, Galveston, USA.