1. Volume 122, Issue 1, Pages 363-368 (July 2002)
Bronchial Responsiveness to Eucapnic Hyperventilation and Methacholine Following Exposure to Organic Dust 
Sundblad Britt-Marie , BSc, Palmberg Lena , MD, PhD, Larsson Kjell , MD, PhD, FCCP 
CHEST 
Volume 122, Issue 1, Pages (July 2002)
DOI: /chest
Copyright © 2002 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Bronchial response to methacholine before and after (7 h, 1 week, 2 weeks, and 4 weeks) exposure to dust in a swine confinement building (n = 11), with mean values and 95% CIs for log PD20 and DRS. p = and ** p = 0.01 compared with pre-exposure values.
CHEST  , DOI: ( /chest )
Copyright © 2002 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Bronchial response to eucapnic hyperventilation of dry air following exposure to dust in a swine confinement building (n = 11), with mean values and 95% CIs for the FEV1 decrease before and after (7 h, 1 week, 2 weeks, and 4 weeks) exposure to dust.
CHEST  , DOI: ( /chest )
Copyright © 2002 The American College of Chest Physicians Terms and Conditions