Percutaneous Electrical Nerve Stimulation for Low Back Pain,A Randomized Crossover Study
JAMA 281:818-823, Ghoname,E.A.,et al, 1999
A Guide to Understanding & Use of Tricyclic Antidepress in Manage of Fibromyalgia & Other Chronic Pain Syndr
Arch Int Med 156:1047-1052, Godfrey,R.G., 1996
A Controlled Trial of Transcutaneous Electrical Nerve Stimulation (Tens) and Exercise for Chronic Low Back Pain
NEJM 322:1627-1634, Deyo,R.A.,et al, 1990