Background: The American Thoracic Society has published general guidelines for sterility when testing for bronchodilator responsiveness. However. the extent to which practicing allergists implement sterility measures is currently unknown. Objective: This study aims to understand the adherence to the American Thoracic Society guidelines for sterility among practicing allergists. https://www.ealisboa.com/top-sale-AR-10-Vert-Monoband-Indep-10m-2-Ringo-quick-deal/