Gandhi, Raj. “Povidone Iodine Hookah Therapy for the Treatment of COVID-19 and Other Respiratory Viruses: A Hypothesis We Must Test”. Journal of Medical Research and Innovation 5, no. 1 (January 1, 2021): e000258. Accessed August 7, 2022. https://jmrionline.com/jmri/article/view/258.