title: Spinal muscular atrophy.
authors.affiliation: Division of Child Neurology, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pennsylvania.
authors.forename: H B
authors.initials: HB
authors.lastname: Wessel
mesh_terms: D000293:Adolescent; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D004576:Electromyography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009132:Muscles / Q000473:pathology; D009134:Muscular Atrophy, Spinal / Q000175:diagnosis / Q000473:pathology / Q000503:physiopathology*; D009431:Neural Conduction; D014897:Spinal Muscular Atrophies of Childhood / Q000175:diagnosis / Q000473:pathology / Q000503:physiopathology