It is crucial to find a balance between functional and oncological outcome when choosing an adequate method for the management of vocal fold leukoplakia. Therefore. a detailed examination is a milestone in the decision-making process. To examine whether narrow-band imaging (NBI) can be helpful in vocal fold assessment in the case of leukoplakia and how to overcome the "umbrella effect... https://allfixelectricales.shop/product-category/drain-outlet-hose-extension/