Use of mouthwash and dentifrice containing antimicrobial phthalocyanine derivative for the reduction of clinical symptoms of COVID-19: A randomized triple-blinded clinical trial
Poleti et al., Journal of Evidence-Based Dental Practice, doi:10.1016/j.jebdp.2022.101777 (preprint 12/8/2021)
https://c19early.org/poleti.html