Background Cough symptom severity represents an important subjective end-point to assess the impact of therapies for patients with refractory or unexplained chronic cough (RCC/UCC). As existing instruments assessing the severity of cough are neither widely available nor tested for measurement properties. we aim to develop a new patient-reported outcome measure addressing cough severit... https://cosmeticssquadets.shop/product-category/breast-pump-accessories/