Analysis was done on day 15. b Airway resistance and elastance were measured with increasing doses of acetyl methacholine (0 -40 mg/mL). b Mediastinal lymph nodes were stimulated with anti-CD3 ...

The FEV1/FVC ratio is a test that helps measure how much air you can forcefully expire (exhale) from your lungs. It involves a tool called a spirometer that can deliver two specific measurements: ...