Posted on August 19th, 2022 by David Goldberg Prof. Jeffrey Siegel | COVID-19: experts frustrated by lack of will to improve ventilation August 17, 2022 | CBC News
Posted on August 18th, 2022 by Phill Snel Prof. Jeffrey Siegel | COVID-19: Experts frustrated by lack of will to improve ventilation | Coronavirus August 17, 2022 | The Saxon
Posted on September 30th, 2020 by Phill Snel Prof. Jeffrey Siegel | Role of Ventilation in the Fight Against COVID-19 September 29, 2020 | BYU Radio – Top of Mind (Sirius XM143)
