Pneumologie (international)
Pneumologie (international)
Deutsche Gesellschaft für Pneumologie
www.pneumologie.de
Société de Pneumologie de la langue française
www.splf.fr
European Respiratory Society
www.ersnet.org
American College of Chest Physicians
www.chestnet.org
American Thoracic Society
www.thoracic.org
Global Initiative for Chronic Obstructive Lung Disease
www.goldcopd.com