1. Document released by representative James Clyburn (D-SC), House Select Subcommittee on the coronavirus crisis. February 2021. https://coronavirus.house.gov/sites/democrats.coronavirus.house.gov/files/07.19.2020%20SSCC-0005448_Redacted.pdf
2. Drug treatments for covid-19: living systematic review and network meta-analysis
3. Trump appointees tamper with renowned CDC publication, claiming that scientists are trying to “hurt the president”