Adductor spasmodic dysphonia and botulinum toxin treatment: the effect on well-being.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001905:Botulinum Toxins / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D014832:Voice Disorders / Q000188:drug therapy* / Q000523:psychology*