Presence of variable extrathoracic airflow limitation in patients with a negative methacholine challenge test

Determine whether variable extrathoracic airflow limitation (VEAL) is observed in patients with negative methacholine challenge tests (MCT).

Source: Allergy, Asthma and Clinical Immunology - November 29, 2023 Category: Allergy & Immunology Authors: Zane Z. Elfessi, Sarah Zavala and Israel Rubinstein Tags: Short report Source Type: research