title: Spinal muscular atrophy.
mesh_terms: D000293:Adolescent; D000328:Adult; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D003711:Demyelinating Diseases / Q000150:complications / Q000175:diagnosis; D004576:Electromyography; D005121:Extremities; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009046:Motor Neurons; D009133:Muscular Atrophy / Q000175:diagnosis / Q000235:genetics*; D010243:Paralysis / Q000150:complications / Q000175:diagnosis; D013118:Spinal Cord Diseases / Q000175:diagnosis / Q000235:genetics*