Fig. 1From: Beneficial short-term effect of autogenic drainage on peripheral resistance in childhood cystic fibrosis diseaseTimeline of study procedures. IOS denotes impulse oscillometry system; VD denotes anatomical dead space; AD denotes autogenic drainage. 27/30 children performed spirometry after the AD session and among them 14 had a bronchodilator test (salbutamol 400 µg) due to airflow limitationBack to article page