Pulsed magnetic field therapy for osteoarthritis of the knee--a double-blind sham-controlled trial

http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12602111
Wien Klin Wochenschr 2002 Aug 30;114(15-16):678-84
Nicolakis P, Kollmitzer J, Crevenna R, Bittner C, Erdogmus CB, Nicolakis J.
Department of Physical Medicine and Rehabilitation, University of Vienna, Vienna, Austria.