- 《英文msh詞典》Type I Spinal Muscular Atrophy
- [入口詞] Type I Spinal Muscular Atrophy
- [主題詞] Spinal Muscular Atrophies of Childhood
- [英文釋義] A group of recessively inherited diseases that feature progressive muscular atrophy and hypotonia. They are classified as type I (Werdnig-Hoffman disease),type II (intermediate form),and type III (Kugelberg-Welander disease). Type I is fatal in infancy,type II has a late infantile onset and is associated with survival into the second or third decade. Type III has its onset in childhood,and is slowly progressive. (J Med Genet 1996 Apr:33(4):281-3)
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