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Diakses pada 11 Juli 2019Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/15424-vocal-cord-lesions-nodules-polyps-and-cysts
Diakses pada 11 Juli 2019Healthline. https://www.healthline.com/health/laryngitis-2
Diakses pada 11 Juli 2019Healthline. https://www.healthline.com/health/laryngeal-cancer
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Diakses pada 11 Juli 2019