Familial spinal muscular atrophy (FSMA) associated with the vesicle-associated membrane protein-associated protein B (VAPB) gene is a rare autosomal dominant disease with late onset and slow progression. We studied 10 of 42 patients from 5 families by taking clinical histories and performing physical exams. electrophysiological studies. and genetic tests. https://smokeysmountainfurnitureoutlets.shop/product-category/chest/