In vivo evaluation of the virucidal efficacy of chlorhexidine and povidone-iodine mouthwashes against salivary SARS-CoV-2. A randomized-controlled clinical trial
Elzein et al., Journal of Evidence Based Dental Practice, doi:10.1016/j.jebdp.2021.101584 (preprint 3/17)
https://c19early.org/elzein.html