HEFFLER, Enrico et al. Fractional Exhaled Nitric Oxide (FENO) in the management of asthma: a position paper of the Italian Respiratory Society (SIP/IRS) and Italian Society of Allergy, Asthma and Clinical Immunology (SIAAIC). Multidisciplinary Respiratory Medicine, [S. l.], v. 15, 2020. DOI: 10.4081/mrm.2020.36. Disponível em: https://mrmjournal.org/index.php/mrm/article/view/36.. Acesso em: 7 jul. 2024.