Infantile and juvenile spinal muscular atrophy.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004576:Electromyography; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008854:Microscopy, Electron; D009132:Muscles / Q000473:pathology; D009133:Muscular Atrophy / Q000145:classification / Q000188:drug therapy / Q000235:genetics / Q000378:metabolism / Q000473:pathology; D013118:Spinal Cord Diseases / Q000145:classification / Q000188:drug therapy / Q000235:genetics / Q000378:metabolism / Q000473:pathology