[Spinal muscular atrophy].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009133:Muscular Atrophy / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology