Electrophysiological assessment of motor unit loss in adult spinal muscular atrophy types III and IV: a multicenter national study comparing MUNIX, CMAP, and MUSIX
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Background: Spinal muscular atrophy (SMA) types III and IV are the most common late-onset forms, and they progress slowly, making the identification of sensitive biomarkers critical. The Motor Unit Number Index (MUNIX) estimates ... ...
