Anonsen, C. (1989). Botulinum Toxin for Treatment of Spastic Dysphonia.
Chicago Style aipamenaAnonsen, Cynthia. Botulinum Toxin for Treatment of Spastic Dysphonia. 1989.
MLA aipamenaAnonsen, Cynthia. Botulinum Toxin for Treatment of Spastic Dysphonia. 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.