McNeil, Chris J Motor unit number estimates in the tibialis anterior muscle of young, old, and very old men. [electronic resource] - Muscle & nerve Apr 2005 - 461-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0148-639X Standard No.: 10.1002/mus.20276 doi Subjects--Topical Terms: AdultAgedAged, 80 and overAnalysis of VarianceCell Count--methodsCross-Sectional StudiesElectromyography--methodsHumansMaleMiddle AgedMuscle Fibers, Skeletal--cytologyMuscle, Skeletal--cytology