American Association of Neuromuscular & Electrodiagnostic Medicine evidenced-based review: use of surface electromyography in the diagnosis and study of neuromuscular disorders
Author: Meekins, G.D., So, Y., Quan, D.
Journal/Publisher: Muscle & Nerve
Issue: Oct 2008: 38(4): 1219-24
http://www.ncbi.nlm.nih.gov/pubmed/18816611