https://www.oficyna-aurora.pl/katalog/ksiazki/covidowe-jeze,p1439835486
https://usfreedomflyers.org/downloads/FAA_Letter.pdf
https://www.stewpeters.com/video/2022/11/live-world-premiere-died-suddenly/
https://newspunch.com/american-airlines-pilot-blames-mandatory-vaccine-after-he-suffers-heart-attack-on-flight-deck/
https://ijvtpr.com/index.php/IJVTPR/article/view/47