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Progressive limb weakness
- Muscular Dystrophy (National Library of Medicine)What is muscular dystrophy (MD)? Muscular dystrophy (MD) is a group of more than 30 genetic diseases. They cause weakness of the muscles. Over time, the ...
- Spinal Muscular Atrophy (National Library of Medicine)What is spinal muscular atrophy (SMA)? Spinal muscular atrophy (SMA) is a group of genetic diseases that damages and kills motor neurons. Motor neurons ...