Comment on

• Effect of natural grass pollen exposure on exhaled nitric oxide in asthmatic children.

  Baraldi E, Carrá S, Dario C, Azzolin N, Ongaro R, Marcer G, Zacchello F. Baraldi E, et al. Am J Respir Crit Care Med. 1999 Jan;159(1):262-6. doi: 10.1164/ajrccm.159.1.9804063. Am J Respir Crit Care Med. 1999. PMID: 9872848
• Vital capacity reservoir and online measurement of childhood nitrosopnea are linearly related. Clinical implications.

  Canady RG, Platts-Mills T, Murphy A, Johannesen R, Gaston B. Canady RG, et al. Am J Respir Crit Care Med. 1999 Jan;159(1):311-4. doi: 10.1164/ajrccm.159.1.9803034. Am J Respir Crit Care Med. 1999. PMID: 9872855
• Predictive markers of asthma exacerbation during stepwise dose reduction of inhaled corticosteroids.

  Leuppi JD, Salome CM, Jenkins CR, Anderson SD, Xuan W, Marks GB, Koskela H, Brannan JD, Freed R, Andersson M, Chan HK, Woolcock AJ. Leuppi JD, et al. Am J Respir Crit Care Med. 2001 Feb;163(2):406-12. doi: 10.1164/ajrccm.163.2.9912091. Am J Respir Crit Care Med. 2001. PMID: 11179114
• The predictive value of exhaled nitric oxide measurements in assessing changes in asthma control.

  Jones SL, Kittelson J, Cowan JO, Flannery EM, Hancox RJ, McLachlan CR, Taylor DR. Jones SL, et al. Am J Respir Crit Care Med. 2001 Sep 1;164(5):738-43. doi: 10.1164/ajrccm.164.5.2012125. Am J Respir Crit Care Med. 2001. PMID: 11549525
• Clinical use of noninvasive measurements of airway inflammation in steroid reduction in children.

  Zacharasiewicz A, Wilson N, Lex C, Erin EM, Li AM, Hansel T, Khan M, Bush A. Zacharasiewicz A, et al. Am J Respir Crit Care Med. 2005 May 15;171(10):1077-82. doi: 10.1164/rccm.200409-1242OC. Epub 2005 Feb 11. Am J Respir Crit Care Med. 2005. PMID: 15709050 Clinical Trial.