Spinal muscular atrophy (SMA) is a severe. inherited disease characterized by the progressive degeneration and death of motor neurons of the anterior horns of the spinal cord. which results in muscular atrophy and weakness of variable severity. Its early-onset form is invariably fatal in early childhood. https://www.lightemupsequences.com/flash-pick-Tiki-Luau-Shaped-Thank-You-Cards-Tropical-Hawaiian-Summer-Party-Thank-You-Note-Cards-with-Envelopes-Set-of-12-top-super