title: From enigmatic to problematic: the new molecular genetics of childhood spinal muscular atrophy.
authors.affiliation: Department of Neurology, Johns Hopkins Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287-8811, USA.
authors.forename: T O
authors.initials: TO
authors.lastname: Crawford
mesh_terms: D002648:Child; D002874:Chromosome Mapping; D002895:Chromosomes, Human, Pair 5; D005808:Genes, Recessive; D008040:Genetic Linkage; D006801:Humans; D008967:Molecular Biology; D009134:Muscular Atrophy, Spinal / Q000235:genetics* / Q000473:pathology / Q000503:physiopathology*; D009154:Mutation