The<unk>  <unk>  BD), also commonly referred to as a reversibility test, is a test that utilizes spirometry to assess possible reversibility of bronchoconstriction in diseases such as asthma.
Post bronchodilator test
Structured light plethysmography
Air displacement plethysmography
Breath test
Lung float test
Bronchial challenge test
Breath analysis
Multiple inert gas elimination technique