1. Clinical Voice Disorders;Aronson,1985
2. Disorders of laryngeal function;Arnold,1980
3. Diplophonia?;Bennet;Arch. Otolaryngol. Head Neck surg.,1989
4. Double vocal cord;Frank;Arch. Otolaryngol.,1939
5. Acoustical analyses of neonates' vocalizations;Gerber;Int. J. Pediatr. Otorhinolaryngol.,1984