1. Volume 100, Issue 11, Pages 1981-1987 (November 2006)
Exhaled nitric oxide as a diagnostic test for asthma in rhinitic patients with asthmatic symptoms 
Enrico Heffler, Giuseppe Guida, Pietro Marsico, Roberta Bergia, Luisa Bommarito, Nicoletta Ferrero, Franco Nebiolo, Antonella De Stefani, Antonio Usai, Caterina Bucca, Giovanni Rolla 
Respiratory Medicine 
Volume 100, Issue 11, Pages (November 2006)
DOI: /j.rmed
Copyright © 2006 Elsevier Ltd Terms and Conditions

2. Figure 1
Exhaled nitric oxide (FENO) in rhinitic patients with and without asthma, and in healthy controls. *P=0.001 in comparison with not asthmatic patients; #P<0.001 in comparison with health controls.
Respiratory Medicine  , DOI: ( /j.rmed )
Copyright © 2006 Elsevier Ltd Terms and Conditions

3. Figure 2
ROC curve for exhaled nitric oxide (FENO); data labels show the selected cut-off points of FENO levels.
Respiratory Medicine  , DOI: ( /j.rmed )
Copyright © 2006 Elsevier Ltd Terms and Conditions