Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/17623-vocal-cord-dysfunction. Diakses pada Juli 2019Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/15424-vocal-cord-lesions-nodules-polyps-and-cysts
Diakses pada Juli 2019
Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/asthma/expert-answers/vocal-cord-dysfunction/faq-20058019
Diakses pada Juli 2019Hopkins Medicine. https://www.hopkinsmedicine.org/health/conditions-and-diseases/vocal-cord-disorders
Diakses pada Juli 2019Hopkins Medicine. https://www.hopkinsmedicine.org/otolaryngology/specialty_areas/voice_center/conditions/vocal_cord_dysfunction.html
Diakses pada Juli 2019ASHA. https://www.asha.org/public/speech/disorders/Vocal-Cord-Nodules-and-Polyps/
Diakses pada Juli 2019AAAAI. https://www.aaaai.org/conditions-and-treatments/related-conditions/vocal-cord-dysfunction
Diakses pada Juli 2019Stanford Children’s Health. https://www.stanfordchildrens.org/en/service/ear-nose-throat/conditions/vocal-cord-dysfunction
Diakses pada Juli 2019