Saraiva-Romanholo, Beatriz M., Fabio S. Machado, Francine M. Almeida, Maria do Patrocínio T. Nunes, Milton A. Martins, and Joaquim E. Vieira. “ Non-Asthmatic Patients Show Increased Exhaled Nitric Oxide Concentrations ”.
Clinics 64, no. 1 (January 1, 2009): 5–10. Accessed April 8, 2025.
https://revistas.usp.br/clinics/article/view/17869.