spastic dysphonia การใช้

• The diagnosis originally was laryngitis, then spastic dysphonia.
• He stated that he had suffered from spastic dysphonia for a number of years, and could hardly sing.
• Schnitzler is credited with coining the term " spastic dysphonia " for a vocal disorder known today as spasmodic dysphonia ( SD ).
• In the mid 80 s, after experiencing voice problems, Lavery was diagnosed with spastic dysphonia, which ended his singing career, he enrolled in the music programme at St . Francis Xavier University to focus more on musicianship, composition and production.