APA

Zwirner P., Murry T. & Woodson G. E. (19971209). Effects of botulinum toxin on vocal tract steadiness in patients with spasmodic dysphonia. : European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery.

Chicago

Zwirner P, Murry T and Woodson G E. 19971209. Effects of botulinum toxin on vocal tract steadiness in patients with spasmodic dysphonia. : European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery.

Harvard

Zwirner P., Murry T. and Woodson G. E. (19971209). Effects of botulinum toxin on vocal tract steadiness in patients with spasmodic dysphonia. : European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery.

MLA

Zwirner P, Murry T and Woodson G E. Effects of botulinum toxin on vocal tract steadiness in patients with spasmodic dysphonia. : European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery. 19971209.