QUANTITATIVE MOTOR UNIT POTENTIAL ANALYSIS IN A DIAPHRAGM: A NORMATIVE STUDYPodnar, S.Resman-Gaspersic, A.Author information(Ljubljana, Slovenia)Study supported by The Republic of Slovenia Research Agency, Grant J37899.Muscle & Nerve 34(4):p 528, October 2006.Copyright © 2006 John Wiley & Sons, Inc.