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An Introduction to the Natural History, Genetic Mapping, and Clinical Spectrum of Spinal Muscular Atrophy
Introduction: Epidemiology The neurodegenerative disease spinal muscular atrophy (SMA) is the leading genetic cause of infant mortality worldwide. Incidence and prevalence estimates vary widely across populations sampled; studies have estimated the incidence of SMA at 7.8 in 100,000 births (Northeast…