Sources:

• 
  June 3, 2020. Melissa Davey, Stephanie Kirchgaessner, and Sarah Boseley. “Surgisphere: Governments and WHO Changed Covid-19 Policy Based on Suspect Data from Tiny US Company.” The Guardian.
  http://www.theguardian.com/world/2020/jun/03/covid-19-surgisphere-who-world-health-organization-hydroxychloroquine.
  News.
• 
  May 22, 2020. Mandeep R. Mehra, Sapan S. Desai, Frank Ruschitzka, and Amit N. Patel. “RETRACTED: Hydroxychloroquine or Chloroquine with or without a Macrolide for Treatment of COVID-19: A Multinational Registry Analysis.” The Lancet.
  https://doi.org/10.1016/S0140-6736(20)31180-6.
  Research Journal, Hoax.
• 
  June 18, 2020. Mandeep R. Mehra, Sapan S. Desai, SreyRam Kuy, Timothy D. Henry, and Amit N. Patel. “Cardiovascular Disease, Drug Therapy, and Mortality in Covid-19.” [RETRACTED] New England Journal of Medicine 382 (25): e102.
  https://doi.org/10.1056/NEJMoa2007621.
  Research Journal, Hoax.
• 
  July 9, 2021. Claire Chretien [LifeSiteNews]. Dr. Zelenko: “Life Saving Information…Is Being Criminally Suppressed” by Big Pharma. Runtime: 17:00.
  https://rumble.com/vjnael-dr.-zelenko-life-saving-information…is-being-criminally-suppressed-by-big.html.
  Video, Expert.

See also, on this site:

• NEJM: Cardiovascular Disease, Drug Therapy, and Mortality in Covid-19
• All posts citing the 7 July 2021 interview between LifeSiteNews and Dr. Zelenko, clip on Big Pharma criminal suppression
• Medical Journal Articles Are Being Erased