@article{article023b2238, title = {Exhaled nitric oxide collected with two different mouthpieces: a study in asthmatic patients}, author = {Leme, A. S. and kasahara, D. I. and Nunes, M. P. T. and Martins, Mílton de Arruda and Vieira, Joaquim Edson}, year = {2002}, doi = {10.1590/s0100-879x2002001000004}, journal = {Brazilian Journal of Medical and Biological Research} }