Title: Host Defense and the Role of Surfactant in the Lung / Lung Defensive System : Host Defense and the Role of Surfactant in the LungSatellite Symposium to the 6th Congress of the European Society of Pneumology , Amsterdam, September 1987 : ProceedingsLung Defensive System : Damages and Treatment11th World Congress on Sarcoidosis, Milan, September 1987Special Topic Issue