Population
64 members of a single family, 19 of whom are affected with slowly progressive neurogenic weakness
Design
Case_series
Authors
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May prompt genetic evaluation in families with progressive neurogenic weakness; leaves open molecular characterization and prevalence in larger cohorts.
Provides a detailed case series of a large family affected by familial proximal spinal muscular atrophy.
Armstrong et al. (1966) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: