Exhaled nitric oxide and hydrogen peroxide in patients with chronic obstructive pulmonary disease: effects of inhaled beclomethasone.
Am J Respir Crit Care Med. 2001 Sep 15;164(6):1012-5. doi: 10.1164/ajrccm.164.6.2012139.
Am J Respir Crit Care Med. 2001.
PMID: 11587988
Clinical Trial.