d’Andiran, G. “The Absence of Dyspnoea, Cough and Wheezing: A Reason for Undiagnosed Airflow Obstruction?”. Swiss Medical Weekly 136, no. 2728 (July 15, 2006): 425–425. Accessed November 25, 2024. https://smw.ch/index.php/smw/article/view/622.