Recently. the development of a methodology for obtaining evidence of clinical efficacy and safety of medical technologies based on the collection and analysis of real clinical practice data (real-world data; RWD; real-world evidence; RWE) has become extremely relevant. Different types of research are used in RWD/RWE. It must develop a unified methodology for conducting and approach th... https://yeswellneses.shop/product-category/air-purifiers-2/