Randomized clinical trial "olfactory dysfunction after COVID-19: olfactory rehabilitation therapy vs. intervention treatment with Palmitoylethanolamide and Luteolin": preliminary results
European review for medical and pharmacological sciences (2021) - Comments
pubmed: 34156697  doi: 10.26355/eurrev_202106_26059  issn: 1128-3602  issn: 2284-0729 

L. D’Ascanio, F. Vitelli, C. Cingolani, M. Maranzano, M.J. Brenner, A. Di Stadio