Białek-Gosk, Katarzyna. “ Guaifenesin in Respiratory Diseases”. Medycyna Faktow (J EBM) 13, no. 1(46) (March 31, 2020): 82-86. Accessed November 13, 2026. https://www.journalsmededu.pl/index.php/jebm/article/view/1988.