Chattanooga Group
   Major manufacturer of rehabilitative electrotherapy and ultrasound devices and ultrasound devices.
   http://www.chattgroup.com

Duffield Medical (UK)
   Vendor of therapeutic ultrasonic devices.
   http://www.duffieldmed.co.uk/

Keitzer Manufacturing USA
   Sells US transmitters for physical therapy
   http://www.keitzer.com

Nemectron GmbH (Germany)
   ultrasonic therapeutic devices
   http://www.nemectron.de

Physiomed Elektromedizin GmbH (Germany)
   therapeutic ultrasound devices
   http://www.physiomed.de

Rich-Mar Corporation
   A web site designed for physical therapists, Rich-Mar provides a complete product line of ultrasound and stimulation equipment.
   http://www.richmarweb.com/

Sonotron - ADM Tronics, Inc. (USA)
   Electronic Therapeutic Device Reduces pain and edema while increasing range of motion
   http://www.sonotron.com/

Ultrasound Treatment For Hurt Muscles Doesn't Promote Healing
   Review of a study on ultrasound muscle healing performed at Ohio State University
   http://researchnews.osu.edu/archive/ultranil.htm

Ultrasound in Wound Healing
   Author: Joseph McCulloch, PT, PhD LSU Medical Center, Director of the Physical Therapy Departmen
   http://medicaledu.com/ultrasnd.htm

Use of Therapeutic Ultrasound to Aid in Blood Resorption
   Recommendations approved by the Medical and Scientific Advisory Council (MASAC) of the National Hemophilia Foundation regarding the use of therapeutic ultrasound to aid in blood resorption
   http://www.hemophilia.org/research/masac/masac130.htm