Spinal Muscular Atrophy | National Institute of Neurological …
https://www.ninds.nih.gov/health-information/disorders/spinal-muscular-atrophy
Nov 28, 2023 · Spinal muscular atrophy (SMA) refers to a group of hereditary diseases that can damage and kill specialized nerve cells in the brain and spinal cord (motor neurons). Motor neurons control movement in the arms, legs, face, chest, …
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