http://www.dynatronics.com/chronicpain/FAQ/#r1
>Frequently Asked Questions (FAQ)
What is Sympathetic Therapy? How Does This Therapy Work? Is Sympathetic Therapy an Investigational / Experimental Procedure? How is Sympathetic Therapy different from TENS? When should Sympathetic Therapy be prescribed for a patient in lieu of other traditional pain management procedures? Is Sympathetic Therapy safe? What claims are approved by the FDA? How is the “Sympathetic Therapy program” implemented? How Does the Patient Obtain a Home Unit? What is the cost of the home device? Can the Patient Rent a Home Unit? Is Sympathetic Therapy cost effective? What is the history of Sympathetic Therapy? Who do I contact with questions about Sympathetic Therapy? Web sites dedicated to the topic of Chronic Pain