1. Observations of the electric activity of Silurid catfishes (Siluriformes) in Lake Chamo (Ethiopia);Baron;J Ichthyol,2001
2. Pain mechanisms: a new theory;Melzack;Science,1965
3. Control of postoperative pain by transcutaneous electrical nerve stimulation after thoracic operations;Benedetti;Ann Thorac Surg,1997
4. Transcutaneous electrical nerve stimulation (TENS): a review;Sluka;Neuromodulation,2009
5. Transcutaneous electrical nerve stimulation;Waldman,2009