title: 2 cases of progressive spinal muscular atrophy with carbon dioxide narcosis.
mesh_terms: D000368:Aged; D002245:Carbon Dioxide / Q000378:metabolism*; D006801:Humans; D008297:Male; D009133:Muscular Atrophy / Q000150:complications*; D013118:Spinal Cord Diseases / Q000150:complications*; D014474:Unconsciousness / Q000209:etiology*
chemical_list: D002245:Carbon Dioxide