preston David C/Shapiro Barbara E Electromyography and Neuromuscular Disorders:Clinical-Electrophysiologic Correlations - 3rd - London Elsevier Saunders 2005 - 1-643pgs ISBN: 978-1-4557-2672-1 Nat. Bib. No.: 005628 Dewey Class. No.: 616.74-002 P62