methacholine inhalation challenges were performed in five groups : 14 patients with history of farmers ' lung disease ( fld ) , nine well farmers with precipitating antibodies to micropolyspora faeni antigen , ii normal subjects , 12 asthmatic patients , and 10 patients with interstitial lung disease ( ild ) other than hypersensitivity pneumonitis .
C0206062
interstitial lung disease
C0002390
hypersensitivity pneumonitis