 | Up a level |
Gündel, H; Busch, R; Ceballos-Baumann, A; Seifert, E (2007). Psychiatric comorbidity in patients with spasmodic dysphonia: a controlled study. Journal of neurology, neurosurgery and psychiatry, 78(12), pp. 1398-400. London: BMJ Publishing Group 10.1136/jnnp.2007.121699
