The effects of mouth rinsing and gargling with mouthwash containing povidone-iodine and hydrogen peroxide on the cycle threshold value of Severe Acute Respiratory Syndrome Coronavirus 2: A randomized controlled trial of asymptomatic and mildly symptomatic patients
Sulistyani et al., F1000Research, doi:10.12688/f1000research.110843.1 (preprint 3/15/2022)
https://c19early.org/sulistyani.html