title: Functional dysphonia and the hyperventilation syndrome.
mesh_terms: D000328:Adult; D000342:Affective Symptoms / Q000150:complications*; D002245:Carbon Dioxide / Q000032:analysis; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000150:complications*; D008297:Male; D008875:Middle Aged; D013577:Syndrome; D014832:Voice Disorders / Q000150:complications*
chemical_list: D002245:Carbon Dioxide