title: Reference values in concentric needle electrode studies.
authors.forename: Erik
authors.initials: E
authors.lastname: Stålberg
authors.forename: João
authors.initials: J
authors.lastname: Kouyoumdjian
authors.forename: Donald
authors.initials: D
authors.lastname: Sanders
mesh_terms: D004576:Electromyography / Q000295:instrumentation* / Q000379:methods*; D005071:Evoked Potentials / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D018485:Muscle Fibers, Skeletal / Q000502:physiology*