[On the problem of spinal muscular atrophy resembling progressive muscular dystrophy (Kugelberg-Welander's juvenile muscular atrophy)].
D006801:Humans; D009133:Muscular Atrophy; D009134:Muscular Atrophy, Spinal; D009136:Muscular Dystrophies; D014897:Spinal Muscular Atrophies of Childhood
MUSCULAR ATROPHY; MUSCULAR DYSTROPHY