
The bronchoprotective effect of inhaling methacholine by using total lung capacity inspirations has a marked influence on the interpretation of the test result
Keywords: ATS، انجمن قفسه سینه American; Asthma; methacholine challenge; deep inhalation; bronchoprotectionAHR, Airway hyperresponsiveness; ATS, American Thoracic Society; IC, Inspiratory capacity; TLC, Total lung capacity