ALBRECHT, Helmut H.; DICPINIGAITIS, Peter V.; GUENIN, Eric P. Role of guaifenesin in the management of chronic bronchitis and upper respiratory tract infections. Multidisciplinary Respiratory Medicine, [S. l.], v. 12, n. 1, 2017. DOI: 10.4081/mrm.2017.260. Disponível em: https://mrmjournal.org/index.php/mrm/article/view/260. Acesso em: 17 jun. 2025.